From 5ad1acf8043b076151e7cbca8497169511a0e5b1 Mon Sep 17 00:00:00 2001 From: Zhou Kunqin <25057648+time-and-fate@users.noreply.github.com> Date: Fri, 24 Nov 2023 16:23:44 +0800 Subject: [PATCH] This is an automated cherry-pick of #48845 Signed-off-by: ti-chi-bot --- .../explain_generate_column_substitute.result | 3 +- .../testdata/plan_suite_out.json | 3625 ++++++++++++++++ .../physicalplantest/physical_plan.result | 3755 +++++++++++++++++ .../core/issuetest/planner_issue.result | 227 + .../r/planner/core/plan.result | 436 ++ .../planner/core/issuetest/planner_issue.test | 153 + util/ranger/checker.go | 25 +- util/ranger/ranger_test.go | 18 +- 8 files changed, 8235 insertions(+), 7 deletions(-) create mode 100644 pkg/planner/core/casetest/physicalplantest/testdata/plan_suite_out.json create mode 100644 tests/integrationtest/r/planner/core/casetest/physicalplantest/physical_plan.result create mode 100644 tests/integrationtest/r/planner/core/issuetest/planner_issue.result create mode 100644 tests/integrationtest/r/planner/core/plan.result create mode 100644 tests/integrationtest/t/planner/core/issuetest/planner_issue.test diff --git a/cmd/explaintest/r/explain_generate_column_substitute.result b/cmd/explaintest/r/explain_generate_column_substitute.result index 9afb09538c3b5..6b206ea54d8aa 100644 --- a/cmd/explaintest/r/explain_generate_column_substitute.result +++ b/cmd/explaintest/r/explain_generate_column_substitute.result @@ -424,7 +424,8 @@ id estRows task access object operator info StreamAgg 1.00 root funcs:count(Column#6)->Column#4 └─IndexReader 1.00 root index:StreamAgg └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#6 - └─IndexRangeScan 250.00 cop[tikv] table:tbl1, index:expression_index(md5(`s`)) range:["02e74f10e0327ad868d138f2b4fdd6f","02e74f10e0327ad868d138f2b4fdd6g"), keep order:false, stats:pseudo + └─Selection 250.00 cop[tikv] like(md5(cast(explain_generate_column_substitute.tbl1.s, var_string(20))), "02e74f10e0327ad868d138f2b4fdd6f%", 92) + └─IndexRangeScan 250.00 cop[tikv] table:tbl1, index:expression_index(md5(`s`)) range:["02e74f10e0327ad868d138f2b4fdd6f","02e74f10e0327ad868d138f2b4fdd6g"), keep order:false, stats:pseudo select count(*) from tbl1 use index() where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%'; count(*) 64 diff --git a/pkg/planner/core/casetest/physicalplantest/testdata/plan_suite_out.json b/pkg/planner/core/casetest/physicalplantest/testdata/plan_suite_out.json new file mode 100644 index 0000000000000..234706233bd4e --- /dev/null +++ b/pkg/planner/core/casetest/physicalplantest/testdata/plan_suite_out.json @@ -0,0 +1,3625 @@ +[ + { + "Name": "TestMPPHints", + "Cases": [ + { + "SQL": "select /*+ MPP_1PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#10, Column#11, funcs:sum(Column#8)->Column#5, funcs:firstrow(Column#9)->test.t.a", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#8, test.t.a->Column#9, test.t.a->Column#10, test.t.c->Column#11", + " └─ExchangeReceiver 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ MPP_2PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:test.t.a, test.t.c, funcs:sum(Column#10)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#13, Column#14, funcs:sum(Column#12)->Column#10", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#12, test.t.a->Column#13, test.t.c->Column#14", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ shuffle_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ broadcast_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_1PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#8, Column#9, funcs:sum(Column#6)->Column#5, funcs:firstrow(Column#7)->test.t.a", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#6, test.t.a->Column#7, test.t.a->Column#8, test.t.c->Column#9", + " └─ExchangeReceiver 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_2PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:test.t.a, test.t.c, funcs:sum(Column#8)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#11, Column#12, funcs:sum(Column#10)->Column#8", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#10, test.t.a->Column#11, test.t.c->Column#12", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_build(t1) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_build(t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_build(t1) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_probe(t1) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_probe(t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_probe(t1) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), merge_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The MPP join hints are in conflict, and you can only specify join method hints that are currently supported by MPP mode now" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), merge_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The MPP join hints are in conflict, and you can only specify join method hints that are currently supported by MPP mode now" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), INL_JOIN(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The MPP join hints are in conflict, and you can only specify join method hints that are currently supported by MPP mode now" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), INL_JOIN(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The MPP join hints are in conflict, and you can only specify join method hints that are currently supported by MPP mode now" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_1PHASE_AGG(), hash_agg() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#8, Column#9, funcs:sum(Column#6)->Column#5, funcs:firstrow(Column#7)->test.t.a", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#6, test.t.a->Column#7, test.t.a->Column#8, test.t.c->Column#9", + " └─ExchangeReceiver 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_2PHASE_AGG(), stream_agg() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:test.t.a, test.t.c, funcs:sum(Column#6)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#10, Column#9, funcs:sum(Column#8)->Column#6", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#8, test.t.a->Column#9, test.t.c->Column#10", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_1PHASE_AGG(), use_index(t, idx_a) */ a, sum(b) from t where a > 1 group by a, c", + "Plan": [ + "Projection 2666.67 root test.t.a, Column#5", + "└─HashAgg 2666.67 root group by:test.t.a, test.t.c, funcs:sum(Column#7)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─IndexLookUp 2666.67 root ", + " ├─IndexRangeScan(Build) 3333.33 cop[tikv] table:t, index:idx_a(a) range:(1,+inf], keep order:false, stats:pseudo", + " └─HashAgg(Probe) 2666.67 cop[tikv] group by:test.t.a, test.t.c, funcs:sum(test.t.b)->Column#7", + " └─TableRowIDScan 3333.33 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]No available path for table test.t with the store type tiflash of the hint /*+ read_from_storage */, please check the status of the table replica and variable value of tidb_isolation_read_engines(map[0:{} 1:{} 2:{}])", + "[planner:1815]The agg can not push down to the MPP side, the MPP_1PHASE_AGG() hint is invalid" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_1PHASE_AGG(), ignore_index(t, idx_a) */ a, sum(b) from t where a > 1 group by a, c", + "Plan": [ + "TableReader 2666.67 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 2666.67 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 2666.67 mpp[tiflash] test.t.a, Column#5", + " └─Projection 2666.67 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 2666.67 mpp[tiflash] group by:Column#8, Column#9, funcs:sum(Column#6)->Column#5, funcs:firstrow(Column#7)->test.t.a", + " └─Projection 3333.33 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#6, test.t.a->Column#7, test.t.a->Column#8, test.t.c->Column#9", + " └─ExchangeReceiver 3333.33 mpp[tiflash] ", + " └─ExchangeSender 3333.33 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─Selection 3333.33 mpp[tiflash] gt(test.t.a, 1)", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_2PHASE_AGG(), force_index(t, idx_b) */ a, sum(b) from t where b < 2 group by a, c", + "Plan": [ + "Projection 2658.67 root test.t.a, Column#5", + "└─HashAgg 2658.67 root group by:test.t.a, test.t.c, funcs:sum(Column#7)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─IndexLookUp 2658.67 root ", + " ├─IndexRangeScan(Build) 3323.33 cop[tikv] table:t, index:idx_b(b) range:[-inf,2), keep order:false, stats:pseudo", + " └─HashAgg(Probe) 2658.67 cop[tikv] group by:test.t.a, test.t.c, funcs:sum(test.t.b)->Column#7", + " └─TableRowIDScan 3323.33 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]No available path for table test.t with the store type tiflash of the hint /*+ read_from_storage */, please check the status of the table replica and variable value of tidb_isolation_read_engines(map[0:{} 1:{} 2:{}])", + "[planner:1815]The agg can not push down to the MPP side, the MPP_2PHASE_AGG() hint is invalid" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t]), MPP_2PHASE_AGG(), index_merge(t, idx_b, idx_a) */ a, sum(b) from t where b < 2 or a > 2 group by a, c", + "Plan": [ + "TableReader 4439.11 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 4439.11 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 4439.11 mpp[tiflash] test.t.a, Column#5", + " └─Projection 4439.11 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 4439.11 mpp[tiflash] group by:test.t.a, test.t.c, funcs:sum(Column#14)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver 4439.11 mpp[tiflash] ", + " └─ExchangeSender 4439.11 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─HashAgg 4439.11 mpp[tiflash] group by:Column#17, Column#18, funcs:sum(Column#16)->Column#14", + " └─Projection 5548.89 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#16, test.t.a->Column#17, test.t.c->Column#18", + " └─Selection 5548.89 mpp[tiflash] or(lt(test.t.b, 2), gt(test.t.a, 2))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[parser:8061]Optimizer hint index_merge is not supported by TiDB and is ignored" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2, t3]), shuffle_join(t1, t2, t3), straight_join() */ * from t t1, t t2, t t3 where t1.a=t2.a and t2.b=t3.b", + "Plan": [ + "TableReader 15593.77 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 15593.77 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 15593.77 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t3 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 12475.01 mpp[tiflash] ", + " └─ExchangeSender 12475.01 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " └─HashJoin 12475.01 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9980.01 mpp[tiflash] ", + " │ └─ExchangeSender 9980.01 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9980.01 mpp[tiflash] not(isnull(test.t.a)), not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2, t3]), shuffle_join(t1, t2, t3), leading(t3, t1) */ * from t t1, t t2, t t3 where t1.a=t2.a and t2.b=t3.b", + "Plan": [ + "TableReader 124625374.88 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 124625374.88 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 124625374.88 mpp[tiflash] test.t.a, test.t.b, test.t.c, test.t.a, test.t.b, test.t.c, test.t.a, test.t.b, test.t.c", + " └─HashJoin 124625374.88 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a) eq(test.t.b, test.t.b)]", + " ├─ExchangeReceiver(Build) 9980.01 mpp[tiflash] ", + " │ └─ExchangeSender 9980.01 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.b, collate: binary]", + " │ └─Selection 9980.01 mpp[tiflash] not(isnull(test.t.a)), not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 99800100.00 mpp[tiflash] ", + " └─ExchangeSender 99800100.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.b, collate: binary]", + " └─HashJoin 99800100.00 mpp[tiflash] CARTESIAN inner join", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t3 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2, t3]), broadcast_join(t1, t2, t3), straight_join() */ * from t t2, t t1, t t3 where t1.a=t2.a and t2.b=t3.b", + "Plan": [ + "TableReader 15593.77 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 15593.77 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 15593.77 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t3 pushed down filter:empty, keep order:false, stats:pseudo", + " └─HashJoin(Probe) 12475.01 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9980.01 mpp[tiflash] ", + " │ └─ExchangeSender 9980.01 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9980.01 mpp[tiflash] not(isnull(test.t.a)), not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2, t3]), broadcast_join(t1, t2, t3), leading(t2, t3) */ * from t t1, t t2, t t3 where t1.a=t2.a and t2.b=t3.b", + "Plan": [ + "TableReader 15593.77 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 15593.77 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 15593.77 mpp[tiflash] test.t.a, test.t.b, test.t.c, test.t.a, test.t.b, test.t.c, test.t.a, test.t.b, test.t.c", + " └─HashJoin 15593.77 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─HashJoin(Probe) 12475.01 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)]", + " ├─ExchangeReceiver(Build) 9980.01 mpp[tiflash] ", + " │ └─ExchangeSender 9980.01 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9980.01 mpp[tiflash] not(isnull(test.t.a)), not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t3 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ qb_name(qb, v), MPP_1PHASE_AGG(@qb) */ * from v", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#10, Column#11, funcs:sum(Column#8)->Column#5, funcs:firstrow(Column#9)->test.t.a", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#8, test.t.a->Column#9, test.t.a->Column#10, test.t.c->Column#11", + " └─ExchangeReceiver 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ qb_name(qb, v), MPP_2PHASE_AGG(@qb) */ * from v", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:test.t.a, test.t.c, funcs:sum(Column#10)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#13, Column#14, funcs:sum(Column#12)->Column#10", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#12, test.t.a->Column#13, test.t.c->Column#14", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ qb_name(qb, v1), shuffle_join(t1@qb, t2@qb) */ * from v1", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12487.50 mpp[tiflash] test.t.a", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ qb_name(qb, v1), broadcast_join(t1@qb, t2@qb) */ * from v1", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12487.50 mpp[tiflash] test.t.a", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "SELECT /*+ shuffle_join(t) */ * FROM t WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t t1 WHERE t1.b = t.b);", + "Plan": [ + "TableReader 9990.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 9990.00 mpp[tiflash] test.t.a, test.t.b, test.t.c", + " └─HashJoin 9990.00 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)]", + " ├─Projection(Build) 7992.00 mpp[tiflash] test.t.b", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:test.t.b, funcs:firstrow(test.t.b)->test.t.b", + " │ └─ExchangeReceiver 7992.00 mpp[tiflash] ", + " │ └─ExchangeSender 7992.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:test.t.b, ", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "SELECT /*+ broadcast_join(t) */ * FROM t WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t t1 WHERE t1.b = t.b);", + "Plan": [ + "TableReader 9990.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 9990.00 mpp[tiflash] test.t.a, test.t.b, test.t.c", + " └─HashJoin 9990.00 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)]", + " ├─ExchangeReceiver(Build) 7992.00 mpp[tiflash] ", + " │ └─ExchangeSender 7992.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 7992.00 mpp[tiflash] test.t.b", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:test.t.b, funcs:firstrow(test.t.b)->test.t.b", + " │ └─ExchangeReceiver 7992.00 mpp[tiflash] ", + " │ └─ExchangeSender 7992.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:test.t.b, ", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select * from t t1 where t1.a < (select /*+ MPP_1PHASE_AGG() */ sum(t2.a) from t t2 where t2.b = t1.b);", + "Plan": [ + "TableReader 9990.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 9990.00 mpp[tiflash] test.t.a, test.t.b, test.t.c", + " └─HashJoin 9990.00 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)], other cond:lt(cast(test.t.a, decimal(10,0) BINARY), Column#9)", + " ├─ExchangeReceiver(Build) 7992.00 mpp[tiflash] ", + " │ └─ExchangeSender 7992.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 7992.00 mpp[tiflash] Column#9, test.t.b", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:Column#26, funcs:sum(Column#24)->Column#9, funcs:firstrow(Column#25)->test.t.b", + " │ └─Projection 9990.00 mpp[tiflash] cast(test.t.a, decimal(10,0) BINARY)->Column#24, test.t.b->Column#25, test.t.b->Column#26", + " │ └─ExchangeReceiver 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select * from t t1 where t1.a < (select /*+ MPP_2PHASE_AGG() */ sum(t2.a) from t t2 where t2.b = t1.b);", + "Plan": [ + "TableReader 9990.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 9990.00 mpp[tiflash] test.t.a, test.t.b, test.t.c", + " └─HashJoin 9990.00 mpp[tiflash] inner join, equal:[eq(test.t.b, test.t.b)], other cond:lt(cast(test.t.a, decimal(10,0) BINARY), Column#9)", + " ├─ExchangeReceiver(Build) 7992.00 mpp[tiflash] ", + " │ └─ExchangeSender 7992.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 7992.00 mpp[tiflash] Column#9, test.t.b", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:test.t.b, funcs:sum(Column#13)->Column#9, funcs:firstrow(test.t.b)->test.t.b", + " │ └─ExchangeReceiver 7992.00 mpp[tiflash] ", + " │ └─ExchangeSender 7992.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─HashAgg 7992.00 mpp[tiflash] group by:Column#29, funcs:sum(Column#28)->Column#13", + " │ └─Projection 9990.00 mpp[tiflash] cast(test.t.a, decimal(10,0) BINARY)->Column#28, test.t.b->Column#29", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.b))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ MPP_1PHASE_AGG() */ count(*) as a, b FROM t WHERE t.a < 60 group by b) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "HashAgg 3403.09 root group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + "└─Union 3403.09 root ", + " ├─Selection 1701.55 root lt(Column#6, 18)", + " │ └─CTEFullScan 2126.93 root CTE:cte data:CTE_0", + " └─Selection 1701.55 root gt(test.t.b, 1)", + " └─CTEFullScan 2126.93 root CTE:cte data:CTE_0", + "CTE_0 2126.93 root Non-Recursive CTE", + "└─TableReader(Seed Part) 2126.93 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 2126.93 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection 2126.93 mpp[tiflash] or(lt(Column#5, 18), gt(test.t.b, 1))", + " └─Projection 2658.67 mpp[tiflash] Column#5, test.t.b", + " └─HashAgg 2658.67 mpp[tiflash] group by:test.t.b, funcs:count(1)->Column#5, funcs:firstrow(test.t.b)->test.t.b", + " └─ExchangeReceiver 3323.33 mpp[tiflash] ", + " └─ExchangeSender 3323.33 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 60)", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ MPP_2PHASE_AGG() */ count(*) as a, b FROM t WHERE t.a < 60 group by b) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "HashAgg 3403.09 root group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + "└─Union 3403.09 root ", + " ├─Selection 1701.55 root lt(Column#6, 18)", + " │ └─CTEFullScan 2126.93 root CTE:cte data:CTE_0", + " └─Selection 1701.55 root gt(test.t.b, 1)", + " └─CTEFullScan 2126.93 root CTE:cte data:CTE_0", + "CTE_0 2126.93 root Non-Recursive CTE", + "└─TableReader(Seed Part) 2126.93 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 2126.93 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection 2126.93 mpp[tiflash] or(lt(Column#5, 18), gt(test.t.b, 1))", + " └─Projection 2658.67 mpp[tiflash] Column#5, test.t.b", + " └─HashAgg 2658.67 mpp[tiflash] group by:test.t.b, funcs:sum(Column#22)->Column#5, funcs:firstrow(test.t.b)->test.t.b", + " └─ExchangeReceiver 2658.67 mpp[tiflash] ", + " └─ExchangeSender 2658.67 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " └─HashAgg 2658.67 mpp[tiflash] group by:test.t.b, funcs:count(1)->Column#22", + " └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 60)", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ shuffle_join(t1, t) */ t.a, t.b FROM t join t t1 where t.a = t1.a) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "HashAgg 7095.48 root group by:Column#13, Column#14, funcs:firstrow(Column#13)->Column#13, funcs:firstrow(Column#14)->Column#14", + "└─Union 11086.68 root ", + " ├─Selection 5543.34 root lt(test.t.a, 18)", + " │ └─CTEFullScan 6929.18 root CTE:cte data:CTE_0", + " └─Selection 5543.34 root gt(test.t.b, 1)", + " └─CTEFullScan 6929.18 root CTE:cte data:CTE_0", + "CTE_0 6929.18 root Non-Recursive CTE", + "└─TableReader(Seed Part) 6929.18 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 6929.18 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 6929.18 mpp[tiflash] test.t.a, test.t.b", + " └─HashJoin 6929.18 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)], other cond:or(lt(test.t.a, 18), gt(test.t.b, 1))", + " ├─ExchangeReceiver(Build) 5543.34 mpp[tiflash] ", + " │ └─ExchangeSender 5543.34 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 5543.34 mpp[tiflash] not(isnull(test.t.a)), or(lt(test.t.a, 18), gt(test.t.b, 1))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ broadcast_join(t1, t) */ t.a, t.b FROM t join t t1 where t.a = t1.a) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "HashAgg 7095.48 root group by:Column#13, Column#14, funcs:firstrow(Column#13)->Column#13, funcs:firstrow(Column#14)->Column#14", + "└─Union 11086.68 root ", + " ├─Selection 5543.34 root lt(test.t.a, 18)", + " │ └─CTEFullScan 6929.18 root CTE:cte data:CTE_0", + " └─Selection 5543.34 root gt(test.t.b, 1)", + " └─CTEFullScan 6929.18 root CTE:cte data:CTE_0", + "CTE_0 6929.18 root Non-Recursive CTE", + "└─TableReader(Seed Part) 6929.18 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 6929.18 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 6929.18 mpp[tiflash] test.t.a, test.t.b", + " └─HashJoin 6929.18 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)], other cond:or(lt(test.t.a, 18), gt(test.t.b, 1))", + " ├─ExchangeReceiver(Build) 5543.34 mpp[tiflash] ", + " │ └─ExchangeSender 5543.34 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 5543.34 mpp[tiflash] not(isnull(test.t.a)), or(lt(test.t.a, 18), gt(test.t.b, 1))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ MERGE(), MPP_1PHASE_AGG() */ count(*) as a, b FROM t WHERE t.a < 60 group by b) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "TableReader 3013.16 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 3013.16 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 3013.16 mpp[tiflash] Column#20, Column#21", + " └─HashAgg 3013.16 mpp[tiflash] group by:Column#20, Column#21, funcs:firstrow(Column#20)->Column#20, funcs:firstrow(Column#21)->Column#21", + " └─ExchangeReceiver 3013.16 mpp[tiflash] ", + " └─ExchangeSender 3013.16 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#20, collate: binary], [name: Column#21, collate: binary]", + " └─Union 3013.16 mpp[tiflash] ", + " ├─Projection 2126.93 mpp[tiflash] cast(Column#12, bigint(21) BINARY)->Column#20, test.t.b->Column#21", + " │ └─Selection 2126.93 mpp[tiflash] lt(Column#12, 18)", + " │ └─Projection 2658.67 mpp[tiflash] Column#12, test.t.b", + " │ └─HashAgg 2658.67 mpp[tiflash] group by:test.t.b, funcs:count(1)->Column#12, funcs:firstrow(test.t.b)->test.t.b", + " │ └─ExchangeReceiver 3323.33 mpp[tiflash] ", + " │ └─ExchangeSender 3323.33 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 60)", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " └─Projection 886.22 mpp[tiflash] cast(Column#20, bigint(21) BINARY)->Column#20, Column#21", + " └─Projection 886.22 mpp[tiflash] Column#19->Column#20, test.t.b->Column#21", + " └─HashAgg 886.22 mpp[tiflash] group by:test.t.b, funcs:count(1)->Column#19, funcs:firstrow(test.t.b)->test.t.b", + " └─ExchangeReceiver 1107.78 mpp[tiflash] ", + " └─ExchangeSender 1107.78 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " └─Selection 1107.78 mpp[tiflash] gt(test.t.b, 1), lt(test.t.a, 60)", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ MERGE(), MPP_2PHASE_AGG() */ count(*) as a, b FROM t WHERE t.a < 60 group by b) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "TableReader 3013.16 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 3013.16 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 3013.16 mpp[tiflash] Column#20, Column#21", + " └─HashAgg 3013.16 mpp[tiflash] group by:Column#20, Column#21, funcs:firstrow(Column#20)->Column#20, funcs:firstrow(Column#21)->Column#21", + " └─ExchangeReceiver 3013.16 mpp[tiflash] ", + " └─ExchangeSender 3013.16 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#20, collate: binary], [name: Column#21, collate: binary]", + " └─Union 3013.16 mpp[tiflash] ", + " ├─Projection 2126.93 mpp[tiflash] cast(Column#12, bigint(21) BINARY)->Column#20, test.t.b->Column#21", + " │ └─Selection 2126.93 mpp[tiflash] lt(Column#12, 18)", + " │ └─Projection 2658.67 mpp[tiflash] Column#12, test.t.b", + " │ └─HashAgg 2658.67 mpp[tiflash] group by:test.t.b, funcs:sum(Column#32)->Column#12, funcs:firstrow(test.t.b)->test.t.b", + " │ └─ExchangeReceiver 2658.67 mpp[tiflash] ", + " │ └─ExchangeSender 2658.67 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " │ └─HashAgg 2658.67 mpp[tiflash] group by:test.t.b, funcs:count(1)->Column#32", + " │ └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 60)", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " └─Projection 886.22 mpp[tiflash] cast(Column#20, bigint(21) BINARY)->Column#20, Column#21", + " └─Projection 886.22 mpp[tiflash] Column#19->Column#20, test.t.b->Column#21", + " └─HashAgg 886.22 mpp[tiflash] group by:test.t.b, funcs:sum(Column#46)->Column#19, funcs:firstrow(test.t.b)->test.t.b", + " └─ExchangeReceiver 886.22 mpp[tiflash] ", + " └─ExchangeSender 886.22 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.b, collate: binary]", + " └─HashAgg 886.22 mpp[tiflash] group by:test.t.b, funcs:count(1)->Column#46", + " └─Selection 1107.78 mpp[tiflash] gt(test.t.b, 1), lt(test.t.a, 60)", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "WITH CTE AS (SELECT /*+ MERGE(), shuffle_join(t1, t) */ t.a, t.b FROM t join t t1 where t.a = t1.a) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "TableReader 5322.67 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 5322.67 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 5322.67 mpp[tiflash] Column#29, Column#30", + " └─HashAgg 5322.67 mpp[tiflash] group by:Column#29, Column#30, funcs:firstrow(Column#29)->Column#29, funcs:firstrow(Column#30)->Column#30", + " └─ExchangeReceiver 5322.67 mpp[tiflash] ", + " └─ExchangeSender 5322.67 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#29, collate: binary], [name: Column#30, collate: binary]", + " └─HashAgg 5322.67 mpp[tiflash] group by:Column#29, Column#30, ", + " └─Union 8316.67 mpp[tiflash] ", + " ├─Projection 4154.17 mpp[tiflash] test.t.a->Column#29, test.t.b->Column#30", + " │ └─HashJoin 4154.17 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " │ ├─ExchangeReceiver(Build) 3323.33 mpp[tiflash] ", + " │ │ └─ExchangeSender 3323.33 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ │ └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 18), not(isnull(test.t.a))", + " │ │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " │ └─ExchangeReceiver(Probe) 3323.33 mpp[tiflash] ", + " │ └─ExchangeSender 3323.33 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 18), not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Projection 4162.50 mpp[tiflash] test.t.a->Column#29, test.t.b->Column#30", + " └─HashJoin 4162.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 3330.00 mpp[tiflash] ", + " │ └─ExchangeSender 3330.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 3330.00 mpp[tiflash] gt(test.t.b, 1), not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]There are no matching table names for (t1, t) in optimizer hint /*+ SHUFFLE_JOIN(t1, t, t1, t) */ or /*+ SHUFFLE_JOIN(t1, t, t1, t) */. Maybe you can use the table alias name", + "[planner:1815]There are no matching table names for (t1, t, t1, t) in optimizer hint /*+ SHUFFLE_JOIN(t1, t, t1, t, t1, t) */ or /*+ SHUFFLE_JOIN(t1, t, t1, t, t1, t) */. Maybe you can use the table alias name" + ] + }, + { + "SQL": "WITH CTE AS (SELECT /*+ MERGE(), broadcast_join(t1, t) */ t.a, t.b FROM t join t t1 where t.a = t1.a) SELECT * FROM CTE WHERE CTE.a <18 union select * from cte where cte.b > 1;", + "Plan": [ + "TableReader 5322.67 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 5322.67 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 5322.67 mpp[tiflash] Column#29, Column#30", + " └─HashAgg 5322.67 mpp[tiflash] group by:Column#29, Column#30, funcs:firstrow(Column#29)->Column#29, funcs:firstrow(Column#30)->Column#30", + " └─ExchangeReceiver 5322.67 mpp[tiflash] ", + " └─ExchangeSender 5322.67 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#29, collate: binary], [name: Column#30, collate: binary]", + " └─HashAgg 5322.67 mpp[tiflash] group by:Column#29, Column#30, ", + " └─Union 8316.67 mpp[tiflash] ", + " ├─Projection 4154.17 mpp[tiflash] test.t.a->Column#29, test.t.b->Column#30", + " │ └─HashJoin 4154.17 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " │ ├─ExchangeReceiver(Build) 3323.33 mpp[tiflash] ", + " │ │ └─ExchangeSender 3323.33 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ │ └─Selection 3323.33 mpp[tiflash] lt(test.t.a, 18), not(isnull(test.t.a))", + " │ │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " │ └─Selection(Probe) 3323.33 mpp[tiflash] lt(test.t.a, 18), not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Projection 4162.50 mpp[tiflash] test.t.a->Column#29, test.t.b->Column#30", + " └─HashJoin 4162.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 3330.00 mpp[tiflash] ", + " │ └─ExchangeSender 3330.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 3330.00 mpp[tiflash] gt(test.t.b, 1), not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]There are no matching table names for (t1, t) in optimizer hint /*+ BROADCAST_JOIN(t1, t, t1, t) */ or /*+ TIDB_BCJ(t1, t, t1, t) */. Maybe you can use the table alias name", + "[planner:1815]There are no matching table names for (t1, t, t1, t) in optimizer hint /*+ BROADCAST_JOIN(t1, t, t1, t, t1, t) */ or /*+ TIDB_BCJ(t1, t, t1, t, t1, t) */. Maybe you can use the table alias name" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_build(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_build(t2), hash_join_probe(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Join hints are conflict, you can only specify one type of join" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_build(t1) */ * from t t1 right join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] right outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_probe(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints", + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints" + ] + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), broadcast_join(t1, t2), hash_join_probe(t1) */ * from t t1 right join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] right outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints", + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints" + ] + }, + { + "SQL": "set @@session.tidb_opt_mpp_outer_join_fixed_build_side = 1", + "Plan": null, + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_build(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_build(t1) */ * from t t1 right join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] right outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_probe(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_probe(t1) */ * from t t1 right join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] right outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_opt_mpp_outer_join_fixed_build_side = 0", + "Plan": null, + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_build(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_build(t1) */ * from t t1 right join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] right outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_probe(t2) */ * from t t1 left join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] left outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ read_from_storage(tiflash[t1, t2]), shuffle_join(t1, t2), hash_join_probe(t1) */ * from t t1 right join t t2 on t1.a=t2.a", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] right outer join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ shuffle_join(t1, t2@sel_2), hash_join_build(t2@sel_2) */ a from t t1 where t1.a>1 or t1.a in (select a from t t2);", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a", + " └─Selection 8000.00 mpp[tiflash] or(gt(test.t.a, 1), Column#9)", + " └─HashJoin 10000.00 mpp[tiflash] CARTESIAN left outer semi join, other cond:eq(test.t.a, test.t.a)", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint" + ] + }, + { + "SQL": "select /*+ shuffle_join(t1, t2@sel_2), hash_join_build(t1) */ a from t t1 where t1.a>1 or t1.a not in (select a from t t2);", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a", + " └─Selection 8000.00 mpp[tiflash] or(gt(test.t.a, 1), Column#9)", + " └─HashJoin 10000.00 mpp[tiflash] Null-aware anti left outer semi join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints", + "[planner:1815]We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint", + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints" + ] + }, + { + "SQL": "select /*+ shuffle_join(t1, t2@sel_2), hash_join_probe(t2@sel_2) */ a from t t1 where t1.a>1 or t1.a in (select a from t t2);", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a", + " └─Selection 8000.00 mpp[tiflash] or(gt(test.t.a, 1), Column#9)", + " └─HashJoin 10000.00 mpp[tiflash] CARTESIAN left outer semi join, other cond:eq(test.t.a, test.t.a)", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints", + "[planner:1815]We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint", + "[planner:1815]Some HASH_JOIN_BUILD and HASH_JOIN_PROBE hints cannot be utilized for MPP joins, please check the hints" + ] + }, + { + "SQL": "select /*+ shuffle_join(t1, t2@sel_2), hash_join_probe(t1) */ a from t t1 where t1.a>1 or t1.a not in (select a from t t2);", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a", + " └─Selection 8000.00 mpp[tiflash] or(gt(test.t.a, 1), Column#9)", + " └─HashJoin 10000.00 mpp[tiflash] Null-aware anti left outer semi join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint" + ] + } + ] + }, + { + "Name": "TestMPPHintsScope", + "Cases": [ + { + "SQL": "set @@session.tidb_allow_mpp=true", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select /*+ MPP_1PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader_31 8000.00 root MppVersion: 2, data:ExchangeSender_30", + "└─ExchangeSender_30 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection_5 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection_29 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg_27 8000.00 mpp[tiflash] group by:Column#10, Column#11, funcs:sum(Column#8)->Column#5, funcs:firstrow(Column#9)->test.t.a", + " └─Projection_32 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#8, test.t.a->Column#9, test.t.a->Column#10, test.t.c->Column#11", + " └─ExchangeReceiver_23 10000.00 mpp[tiflash] ", + " └─ExchangeSender_22 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─TableFullScan_21 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ MPP_2PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "TableReader_35 8000.00 root MppVersion: 2, data:ExchangeSender_34", + "└─ExchangeSender_34 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection_5 8000.00 mpp[tiflash] test.t.a, Column#5", + " └─Projection_30 8000.00 mpp[tiflash] Column#5, test.t.a", + " └─HashAgg_31 8000.00 mpp[tiflash] group by:test.t.a, test.t.c, funcs:sum(Column#10)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver_33 8000.00 mpp[tiflash] ", + " └─ExchangeSender_32 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary], [name: test.t.c, collate: binary]", + " └─HashAgg_29 8000.00 mpp[tiflash] group by:Column#13, Column#14, funcs:sum(Column#12)->Column#10", + " └─Projection_36 10000.00 mpp[tiflash] cast(test.t.b, decimal(10,0) BINARY)->Column#12, test.t.a->Column#13, test.t.c->Column#14", + " └─TableFullScan_21 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ shuffle_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_22 12487.50 root MppVersion: 2, data:ExchangeSender_21", + "└─ExchangeSender_21 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_20 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_13(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_12 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection_11 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_10 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver_17(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender_16 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection_15 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_14 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ broadcast_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_20 12487.50 root MppVersion: 2, data:ExchangeSender_19", + "└─ExchangeSender_19 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_18 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_13(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_12 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_11 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_10 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection_15(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_14 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_enforce_mpp=true", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select /*+ hash_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_69 12487.50 root MppVersion: 2, data:ExchangeSender_68", + "└─ExchangeSender_68 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_61 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_65(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_64 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_63 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_62 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection_67(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_66 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ merge_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "MergeJoin_10 12487.50 root inner join, left key:test.t.a, right key:test.t.a", + "├─Projection_19(Build) 9990.00 root test.t.a, test.t.b, test.t.c", + "│ └─IndexLookUp_18 9990.00 root ", + "│ ├─IndexFullScan_16(Build) 9990.00 cop[tikv] table:t2, index:idx_a(a) keep order:true, stats:pseudo", + "│ └─TableRowIDScan_17(Probe) 9990.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─Projection_15(Probe) 9990.00 root test.t.a, test.t.b, test.t.c", + " └─IndexLookUp_14 9990.00 root ", + " ├─IndexFullScan_12(Build) 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo", + " └─TableRowIDScan_13(Probe) 9990.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "MPP mode may be blocked because you have used hint to specify a join algorithm which is not supported by mpp now.", + "MPP mode may be blocked because you have used hint to specify a join algorithm which is not supported by mpp now." + ] + }, + { + "SQL": "set @@session.tidb_enforce_mpp=false", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select /*+ hash_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_69 12487.50 root MppVersion: 2, data:ExchangeSender_68", + "└─ExchangeSender_68 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_61 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_65(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_64 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_63 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_62 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection_67(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_66 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ merge_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "MergeJoin_10 12487.50 root inner join, left key:test.t.a, right key:test.t.a", + "├─Projection_19(Build) 9990.00 root test.t.a, test.t.b, test.t.c", + "│ └─IndexLookUp_18 9990.00 root ", + "│ ├─IndexFullScan_16(Build) 9990.00 cop[tikv] table:t2, index:idx_a(a) keep order:true, stats:pseudo", + "│ └─TableRowIDScan_17(Probe) 9990.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─Projection_15(Probe) 9990.00 root test.t.a, test.t.b, test.t.c", + " └─IndexLookUp_14 9990.00 root ", + " ├─IndexFullScan_12(Build) 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo", + " └─TableRowIDScan_13(Probe) 9990.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ read_from_storage(tiflash[t1, t2]) hash_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_29 12487.50 root MppVersion: 2, data:ExchangeSender_28", + "└─ExchangeSender_28 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_21 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_25(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_24 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_23 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_22 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection_27(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_26 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "explain select /*+ read_from_storage(tiflash[t1, t2]) merge_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "MergeJoin_11 12487.50 root inner join, left key:test.t.a, right key:test.t.a", + "├─Sort_21(Build) 9990.00 root test.t.a", + "│ └─TableReader_20 9990.00 root MppVersion: 2, data:ExchangeSender_19", + "│ └─ExchangeSender_19 9990.00 mpp[tiflash] ExchangeType: PassThrough", + "│ └─Selection_18 9990.00 mpp[tiflash] not(isnull(test.t.a))", + "│ └─TableFullScan_17 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo", + "└─Sort_16(Probe) 9990.00 root test.t.a", + " └─TableReader_15 9990.00 root MppVersion: 2, data:ExchangeSender_14", + " └─ExchangeSender_14 9990.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection_13 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_12 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_allow_mpp=false", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select /*+ MPP_1PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "Projection_4 8000.00 root test.t.a, Column#5", + "└─HashAgg_10 8000.00 root group by:test.t.a, test.t.c, funcs:sum(Column#6)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─TableReader_11 8000.00 root data:HashAgg_5", + " └─HashAgg_5 8000.00 cop[tikv] group by:test.t.a, test.t.c, funcs:sum(test.t.b)->Column#6", + " └─TableFullScan_8 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The agg can not push down to the MPP side, the MPP_1PHASE_AGG() hint is invalid" + ] + }, + { + "SQL": "explain select /*+ MPP_2PHASE_AGG() */ a, sum(b) from t group by a, c", + "Plan": [ + "Projection_4 8000.00 root test.t.a, Column#5", + "└─HashAgg_10 8000.00 root group by:test.t.a, test.t.c, funcs:sum(Column#6)->Column#5, funcs:firstrow(test.t.a)->test.t.a", + " └─TableReader_11 8000.00 root data:HashAgg_5", + " └─HashAgg_5 8000.00 cop[tikv] group by:test.t.a, test.t.c, funcs:sum(test.t.b)->Column#6", + " └─TableFullScan_8 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The agg can not push down to the MPP side, the MPP_2PHASE_AGG() hint is invalid" + ] + }, + { + "SQL": "explain select /*+ shuffle_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "HashJoin_37 12487.50 root inner join, equal:[eq(test.t.a, test.t.a)]", + "├─TableReader_56(Build) 9990.00 root data:Selection_55", + "│ └─Selection_55 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan_54 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_49(Probe) 9990.00 root data:Selection_48", + " └─Selection_48 9990.00 cop[tikv] not(isnull(test.t.a))", + " └─TableFullScan_47 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The join can not push down to the MPP side, the shuffle_join() hint is invalid" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(t1, t2) */ * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "HashJoin_37 12487.50 root inner join, equal:[eq(test.t.a, test.t.a)]", + "├─TableReader_56(Build) 9990.00 root data:Selection_55", + "│ └─Selection_55 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan_54 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_49(Probe) 9990.00 root data:Selection_48", + " └─Selection_48 9990.00 cop[tikv] not(isnull(test.t.a))", + " └─TableFullScan_47 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]The join can not push down to the MPP side, the broadcast_join() hint is invalid" + ] + } + ] + }, + { + "Name": "TestMPPBCJModel", + "Cases": [ + { + "SQL": "set @@session.tidb_allow_mpp=true", + "Plan": null, + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_79 12487.50 root MppVersion: 2, data:ExchangeSender_78", + "└─ExchangeSender_78 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_77 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_44(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_43 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_42 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_41 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection_46(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_45 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=1", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_81 12487.50 root MppVersion: 2, data:ExchangeSender_80", + "└─ExchangeSender_80 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_79 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_44(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_43 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection_42 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_41 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver_48(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender_47 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection_46 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_45 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + } + ] + }, + { + "Name": "TestMPPPreferBCJ", + "Cases": [ + { + "SQL": "explain select * from t1, t2 where t1.a=t2.b", + "Plan": [ + "TableReader_36 1.00 root MppVersion: 2, data:ExchangeSender_35", + "└─ExchangeSender_35 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_34 1.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.b)]", + " ├─ExchangeReceiver_15(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender_14 1.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_13 1.00 mpp[tiflash] not(isnull(test.t1.a))", + " │ └─TableFullScan_12 1.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false", + " └─Selection_17(Probe) 8.00 mpp[tiflash] not(isnull(test.t2.b))", + " └─TableFullScan_16 8.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=1", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t1, t2 where t1.a=t2.b", + "Plan": [ + "TableReader_38 1.00 root MppVersion: 2, data:ExchangeSender_37", + "└─ExchangeSender_37 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_36 1.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.b)]", + " ├─ExchangeReceiver_15(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender_14 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t1.a, collate: binary]", + " │ └─Selection_13 1.00 mpp[tiflash] not(isnull(test.t1.a))", + " │ └─TableFullScan_12 1.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false", + " └─ExchangeReceiver_19(Probe) 8.00 mpp[tiflash] ", + " └─ExchangeSender_18 8.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t2.b, collate: binary]", + " └─Selection_17 8.00 mpp[tiflash] not(isnull(test.t2.b))", + " └─TableFullScan_16 8.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false" + ], + "Warn": null + }, + { + "SQL": "insert into t2 values (9); analyze table t2;", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t1, t2 where t1.a=t2.b", + "Plan": [ + "TableReader_36 1.00 root MppVersion: 2, data:ExchangeSender_35", + "└─ExchangeSender_35 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_34 1.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.b)]", + " ├─ExchangeReceiver_15(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender_14 1.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_13 1.00 mpp[tiflash] not(isnull(test.t1.a))", + " │ └─TableFullScan_12 1.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false", + " └─Selection_17(Probe) 9.00 mpp[tiflash] not(isnull(test.t2.b))", + " └─TableFullScan_16 9.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false" + ], + "Warn": null + } + ] + }, + { + "Name": "TestMPPBCJModelOneTiFlash", + "Cases": [ + { + "SQL": "set @@session.tidb_allow_mpp=true", + "Plan": null, + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_81 12487.50 root MppVersion: 2, data:ExchangeSender_80", + "└─ExchangeSender_80 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_79 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_44(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_43 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " │ └─Selection_42 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_41 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver_48(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender_47 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─Selection_46 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_45 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=1", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t t1, t t2 where t1.a=t2.a", + "Plan": [ + "TableReader_79 12487.50 root MppVersion: 2, data:ExchangeSender_78", + "└─ExchangeSender_78 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_77 12487.50 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─ExchangeReceiver_44(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender_43 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_42 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " │ └─TableFullScan_41 10000.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection_46(Probe) 9990.00 mpp[tiflash] not(isnull(test.t.a))", + " └─TableFullScan_45 10000.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warn": null + } + ] + }, + { + "Name": "TestMPPRightSemiJoin", + "Cases": [ + { + "SQL": "set @@session.tidb_allow_mpp=true", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t1 where exists (select * from t2 where t1.a=t2.b)", + "Plan": [ + "TableReader_36 0.80 root MppVersion: 2, data:ExchangeSender_35", + "└─ExchangeSender_35 0.80 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_34 0.80 mpp[tiflash] semi join, equal:[eq(test.t1.a, test.t2.b)]", + " ├─ExchangeReceiver_17(Build) 8.00 mpp[tiflash] ", + " │ └─ExchangeSender_16 8.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_15 8.00 mpp[tiflash] not(isnull(test.t2.b))", + " │ └─TableFullScan_14 8.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false", + " └─Selection_13(Probe) 1.00 mpp[tiflash] not(isnull(test.t1.a))", + " └─TableFullScan_12 1.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "set @@session.tidb_broadcast_join_threshold_size=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "set @@session.tidb_broadcast_join_threshold_count=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t1 where exists (select * from t2 where t1.a=t2.b)", + "Plan": [ + "TableReader_38 0.80 root MppVersion: 2, data:ExchangeSender_37", + "└─ExchangeSender_37 0.80 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_36 0.80 mpp[tiflash] semi join, equal:[eq(test.t1.a, test.t2.b)]", + " ├─ExchangeReceiver_15(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender_14 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t1.a, collate: binary]", + " │ └─Selection_13 1.00 mpp[tiflash] not(isnull(test.t1.a))", + " │ └─TableFullScan_12 1.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false", + " └─ExchangeReceiver_19(Probe) 8.00 mpp[tiflash] ", + " └─ExchangeSender_18 8.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t2.b, collate: binary]", + " └─Selection_17 8.00 mpp[tiflash] not(isnull(test.t2.b))", + " └─TableFullScan_16 8.00 mpp[tiflash] table:t2 pushed down filter:empty, keep order:false" + ], + "Warn": null + } + ] + }, + { + "Name": "TestMPPRightOuterJoin", + "Cases": [ + { + "SQL": "set @@session.tidb_allow_mpp=true", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t1 right join t2 on t1.a=t2.b and t1.c < t2.d", + "Plan": [ + "TableReader_32 3.00 root MppVersion: 2, data:ExchangeSender_31", + "└─ExchangeSender_31 3.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_30 3.00 mpp[tiflash] right outer join, equal:[eq(test.t1.a, test.t2.b)], other cond:lt(test.t1.c, test.t2.d)", + " ├─ExchangeReceiver_14(Build) 5.00 mpp[tiflash] ", + " │ └─ExchangeSender_13 5.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection_12 5.00 mpp[tiflash] not(isnull(test.t1.a)), not(isnull(test.t1.c))", + " │ └─TableFullScan_11 5.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false", + " └─TableFullScan_15(Probe) 3.00 mpp[tiflash] table:t2 keep order:false" + ], + "Warn": null + }, + { + "SQL": "set @@session.tidb_prefer_broadcast_join_by_exchange_data_size=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "set @@session.tidb_broadcast_join_threshold_size=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "set @@session.tidb_broadcast_join_threshold_count=0", + "Plan": null, + "Warn": null + }, + { + "SQL": "explain select * from t1 right join t2 on t1.a=t2.b and t1.c < t2.d", + "Plan": [ + "TableReader_34 3.00 root MppVersion: 2, data:ExchangeSender_33", + "└─ExchangeSender_33 3.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin_32 3.00 mpp[tiflash] right outer join, equal:[eq(test.t1.a, test.t2.b)], other cond:lt(test.t1.c, test.t2.d)", + " ├─ExchangeReceiver_17(Build) 3.00 mpp[tiflash] ", + " │ └─ExchangeSender_16 3.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t2.b, collate: binary]", + " │ └─TableFullScan_15 3.00 mpp[tiflash] table:t2 keep order:false", + " └─ExchangeReceiver_14(Probe) 5.00 mpp[tiflash] ", + " └─ExchangeSender_13 5.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t1.a, collate: binary]", + " └─Selection_12 5.00 mpp[tiflash] not(isnull(test.t1.a)), not(isnull(test.t1.c))", + " └─TableFullScan_11 5.00 mpp[tiflash] table:t1 pushed down filter:empty, keep order:false" + ], + "Warn": null + } + ] + }, + { + "Name": "TestIssue37520", + "Cases": [ + { + "SQL": "select /*+ inl_join(t1@sel_2) */ a, (select b from t1 where t1.a = t2.b) from t2;", + "Plan": [ + "IndexJoin 12500.00 root left outer join, inner:TableReader, outer key:test.t2.b, inner key:test.t1.a, equal cond:eq(test.t2.b, test.t1.a)", + "├─TableReader(Build) 10000.00 root data:TableFullScan", + "│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader(Probe) 10000.00 root data:TableRangeScan", + " └─TableRangeScan 10000.00 cop[tikv] table:t1 range: decided by [test.t2.b], keep order:false, stats:pseudo" + ], + "Warn": null + }, + { + "SQL": "select /*+ inl_join(t2) */ a, (select b from t1 where t1.a = t2.b) from t2;", + "Plan": [ + "HashJoin 12500.00 root left outer join, equal:[eq(test.t2.b, test.t1.a)]", + "├─TableReader(Build) 10000.00 root data:TableFullScan", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 10000.00 root data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Optimizer Hint /*+ INL_JOIN(t2) */ or /*+ TIDB_INLJ(t2) */ is inapplicable" + ] + }, + { + "SQL": "select /*+ inl_join(t2@sel_2) */ * from t1 where exists ( select /*+ semi_join_rewrite() */ * from t2 where t1.a = t2.a);", + "Plan": [ + "MergeJoin 9990.00 root inner join, left key:test.t1.a, right key:test.t2.a", + "├─StreamAgg(Build) 7992.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a", + "│ └─IndexReader 7992.00 root index:StreamAgg", + "│ └─StreamAgg 7992.00 cop[tikv] group by:test.t2.a, ", + "│ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:ia(a) keep order:true, stats:pseudo", + "└─TableReader(Probe) 10000.00 root data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + ], + "Warn": [ + "[planner:1815]Optimizer Hint /*+ INL_JOIN(t2) */ or /*+ TIDB_INLJ(t2) */ is inapplicable" + ] + }, + { + "SQL": "select /*+ inl_join(t1) */ * from t1 where exists ( select /*+ semi_join_rewrite() */ * from t2 where t1.a = t2.a);", + "Plan": [ + "IndexJoin 9990.00 root inner join, inner:TableReader, outer key:test.t2.a, inner key:test.t1.a, equal cond:eq(test.t2.a, test.t1.a)", + "├─StreamAgg(Build) 7992.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a", + "│ └─IndexReader 7992.00 root index:StreamAgg", + "│ └─StreamAgg 7992.00 cop[tikv] group by:test.t2.a, ", + "│ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:ia(a) keep order:true, stats:pseudo", + "└─TableReader(Probe) 7992.00 root data:TableRangeScan", + " └─TableRangeScan 7992.00 cop[tikv] table:t1 range: decided by [test.t2.a], keep order:false, stats:pseudo" + ], + "Warn": null + } + ] + }, + { + "Name": "TestHintScope", + "Cases": [ + { + "SQL": "select /*+ MERGE_JOIN(t1) */ t1.a, t1.b from t t1, (select /*+ INL_JOIN(t3) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "MergeInnerJoin{TableReader(Table(t))->IndexJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,NULL]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ MERGE_JOIN(test.t1) */ t1.a, t1.b from t t1, (select /*+ INL_JOIN(test.t3) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "MergeInnerJoin{TableReader(Table(t))->IndexJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,NULL]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ MERGE_JOIN(t1) */ t1.a, t1.b from t t1, (select /*+ HASH_JOIN(t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "MergeInnerJoin{TableReader(Table(t))->LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)->Sort}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ INL_JOIN(t1) */ t1.a, t1.b from t t1, (select /*+ HASH_JOIN(t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "IndexJoin{TableReader(Table(t))->LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ INL_JOIN(test.t1) */ t1.a, t1.b from t t1, (select /*+ HASH_JOIN(test.t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "IndexJoin{TableReader(Table(t))->LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ INL_JOIN(t1) */ t1.a, t1.b from t t1, (select /*+ MERGE_JOIN(t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "IndexJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.a, t1.b from t t1, (select /*+ MERGE_JOIN(t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "RightHashJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ HASH_JOIN(test.t1) */ t1.a, t1.b from t t1, (select /*+ MERGE_JOIN(test.t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "RightHashJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.a, t1.b from t t1, (select /*+ INL_JOIN(t2) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "RightHashJoin{TableReader(Table(t))->IndexJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.c,test.t.a)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ MERGE_JOIN(t1) */ t1.a, t1.b from t t1, (select t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "MergeInnerJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ INL_JOIN(t1) */ t1.a, t1.b from t t1, (select t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "IndexJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.a, t1.b from t t1, (select t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Best": "RightHashJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)}(test.t.a,test.t.a)" + }, + { + "SQL": "select /*+ HASH_JOIN(@sel_2 t1@sel_2, t2@sel_2), MERGE_JOIN(@sel_1 t1@sel_1, t2@sel_1) */ * from (select t1.a, t1.b from t t1, t t2 where t1.a = t2.a) t1, t t2 where t1.b = t2.b", + "Best": "MergeInnerJoin{LeftHashJoin{TableReader(Table(t))->IndexReader(Index(t.f)[[NULL,+inf]])}(test.t.a,test.t.a)->Sort->TableReader(Table(t))->Sort}(test.t.b,test.t.b)" + }, + { + "SQL": "select /*+ STREAM_AGG() */ s, count(s) from (select /*+ HASH_AGG() */ sum(t1.a) as s from t t1, t t2 where t1.a = t2.b group by t1.a) p group by s", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->Projection->HashAgg->Sort->StreamAgg->Projection" + }, + { + "SQL": "select /*+ HASH_AGG() */ s, count(s) from (select /*+ STREAM_AGG() */ sum(t1.a) as s from t t1, t t2 where t1.a = t2.b group by t1.a) p group by s", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->Sort->Projection->StreamAgg->HashAgg->Projection" + }, + { + "SQL": "select /*+ HASH_AGG() */ s, count(s) from (select sum(t1.a) as s from t t1, t t2 where t1.a = t2.b group by t1.a) p group by s", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->Projection->HashAgg->HashAgg->Projection" + }, + { + "SQL": "select /*+ STREAM_AGG() */ s, count(s) from (select sum(t1.a) as s from t t1, t t2 where t1.a = t2.b group by t1.a) p group by s", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->Projection->HashAgg->Sort->StreamAgg->Projection" + } + ] + }, + { + "Name": "TestIndexHint", + "Cases": [ + { + "SQL": "select /*+ USE_INDEX(t, c_d_e) */ * from t", + "Best": "IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `c_d_e`), no_order_index(@`sel_1` `test`.`t` `c_d_e`)" + }, + { + "SQL": "select /*+ USE_INDEX(test.t, c_d_e) */ * from t", + "Best": "IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `c_d_e`), no_order_index(@`sel_1` `test`.`t` `c_d_e`)" + }, + { + "SQL": "select /*+ IGNORE_INDEX(t, c_d_e) */ c from t order by c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ IGNORE_INDEX(test.t, c_d_e) */ c from t order by c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, c_d_e) */ * from t", + "Best": "IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `c_d_e`), no_order_index(@`sel_1` `test`.`t` `c_d_e`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(test.t, c_d_e) */ * from t", + "Best": "IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `c_d_e`), no_order_index(@`sel_1` `test`.`t` `c_d_e`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, c_d_e) */ * from t t1", + "Best": "TableReader(Table(t))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`)" + }, + { + "SQL": "select /*+ IGNORE_INDEX(t, c_d_e) */ t1.c from t t1 order by t1.c", + "Best": "IndexReader(Index(t.c_d_e)[[NULL,+inf]])", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t1` `c_d_e`), order_index(@`sel_1` `test`.`t1` `c_d_e`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, c_d_e) */ * from t t1", + "Best": "TableReader(Table(t))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX(t1, c_d_e) */ * from t t1", + "Best": "IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t1` `c_d_e`), no_order_index(@`sel_1` `test`.`t1` `c_d_e`)" + }, + { + "SQL": "select /*+ IGNORE_INDEX(t1, c_d_e) */ t1.c from t t1 order by t1.c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t1, c_d_e) */ * from t t1", + "Best": "IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t1` `c_d_e`), no_order_index(@`sel_1` `test`.`t1` `c_d_e`)" + }, + { + "SQL": "select /*+ USE_INDEX(t1, c_d_e), USE_INDEX(t2, f) */ * from t t1, t t2 where t1.a = t2.b", + "Best": "LeftHashJoin{IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))->IndexLookUp(Index(t.f)[[NULL,+inf]], Table(t))}(test.t.a,test.t.b)", + "HasWarn": false, + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` `c_d_e`), no_order_index(@`sel_1` `test`.`t1` `c_d_e`), use_index(@`sel_1` `test`.`t2` `f`), no_order_index(@`sel_1` `test`.`t2` `f`)" + }, + { + "SQL": "select /*+ IGNORE_INDEX(t1, c_d_e), IGNORE_INDEX(t2, f), HASH_JOIN(t1) */ * from t t1, t t2 where t1.a = t2.b", + "Best": "LeftHashJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.b)", + "HasWarn": false, + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_1` `test`.`t2` ), no_order_index(@`sel_1` `test`.`t2` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t1, c_d_e), FORCE_INDEX(t2, f) */ * from t t1, t t2 where t1.a = t2.b", + "Best": "LeftHashJoin{IndexLookUp(Index(t.c_d_e)[[NULL,+inf]], Table(t))->IndexLookUp(Index(t.f)[[NULL,+inf]], Table(t))}(test.t.a,test.t.b)", + "HasWarn": false, + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` `c_d_e`), no_order_index(@`sel_1` `test`.`t1` `c_d_e`), use_index(@`sel_1` `test`.`t2` `f`), no_order_index(@`sel_1` `test`.`t2` `f`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, c_d_e, f, g) */ * from t order by f", + "Best": "IndexLookUp(Index(t.f)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `f`), order_index(@`sel_1` `test`.`t` `f`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, c_d_e, f, g) */ * from t order by f", + "Best": "IndexLookUp(Index(t.f)[[NULL,+inf]], Table(t))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `f`), order_index(@`sel_1` `test`.`t` `f`)" + }, + { + "SQL": "select /*+ USE_INDEX(t) */ f from t where f > 10", + "Best": "TableReader(Table(t)->Sel([gt(test.t.f, 10)]))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t) */ f from t where f > 10", + "Best": "TableReader(Table(t)->Sel([gt(test.t.f, 10)]))", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, no_such_index) */ * from t", + "Best": "TableReader(Table(t))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ IGNORE_INDEX(t, no_such_index) */ * from t", + "Best": "TableReader(Table(t))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, no_such_index) */ * from t", + "Best": "TableReader(Table(t))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, c_d_e), IGNORE_INDEX(t, f) */ c from t order by c", + "Best": "IndexReader(Index(t.c_d_e)[[NULL,+inf]])", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `c_d_e`), order_index(@`sel_1` `test`.`t` `c_d_e`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, f), IGNORE_INDEX(t, f) */ c from t order by c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, c_d_e), IGNORE_INDEX(t, c_d_e) */ c from t order by c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX(t, c_d_e, f), IGNORE_INDEX(t, c_d_e) */ c from t order by c", + "Best": "IndexLookUp(Index(t.f)[[NULL,+inf]], Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `f`), no_order_index(@`sel_1` `test`.`t` `f`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, c_d_e), IGNORE_INDEX(t, f) */ c from t order by c", + "Best": "IndexReader(Index(t.c_d_e)[[NULL,+inf]])", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `c_d_e`), order_index(@`sel_1` `test`.`t` `c_d_e`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, f), IGNORE_INDEX(t, f) */ c from t order by c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, c_d_e), IGNORE_INDEX(t, c_d_e) */ c from t order by c", + "Best": "TableReader(Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ FORCE_INDEX(t, c_d_e, f), IGNORE_INDEX(t, c_d_e) */ c from t order by c", + "Best": "IndexLookUp(Index(t.f)[[NULL,+inf]], Table(t))->Sort", + "HasWarn": false, + "Hints": "use_index(@`sel_1` `test`.`t` `f`), no_order_index(@`sel_1` `test`.`t` `f`)" + } + ] + }, + { + "Name": "TestIndexMergeHint", + "Cases": [ + { + "SQL": "select /*+ USE_INDEX_MERGE(t, c_d_e, f_g) */ * from t where c < 1 or f > 2", + "Best": "IndexMergeReader(PartialPlans->[Index(t.c_d_e)[[-inf,1)], Index(t.f_g)[(2,+inf]]], TablePlan->Table(t))", + "HasWarn": false, + "Hints": "use_index_merge(@`sel_1` `t` `c_d_e`, `f_g`)" + }, + { + "SQL": "select /*+ USE_INDEX_MERGE(t, primary, f_g) */ * from t where a < 1 or f > 2", + "Best": "IndexMergeReader(PartialPlans->[Table(t), Index(t.f_g)[(2,+inf]]], TablePlan->Table(t))", + "HasWarn": false, + "Hints": "use_index_merge(@`sel_1` `t` `primary`, `f_g`)" + }, + { + "SQL": "select /*+ USE_INDEX_MERGE(t, primary, f_g, c_d_e) */ * from t where a < 1 or f > 2", + "Best": "IndexMergeReader(PartialPlans->[Table(t), Index(t.f_g)[(2,+inf]]], TablePlan->Table(t))", + "HasWarn": false, + "Hints": "use_index_merge(@`sel_1` `t` `primary`, `f_g`)" + }, + { + "SQL": "select /*+ NO_INDEX_MERGE(), USE_INDEX_MERGE(t, primary, f_g, c_d_e) */ * from t where a < 1 or f > 2", + "Best": "TableReader(Table(t)->Sel([or(lt(test.t.a, 1), gt(test.t.f, 2))]))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX_MERGE(t1, c_d_e, f_g) */ * from t where c < 1 or f > 2", + "Best": "TableReader(Table(t)->Sel([or(lt(test.t.c, 1), gt(test.t.f, 2))]))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ NO_INDEX_MERGE(), USE_INDEX_MERGE(t, primary, f_g, c_d_e) */ * from t where a < 1 or f > 2", + "Best": "TableReader(Table(t)->Sel([or(lt(test.t.a, 1), gt(test.t.f, 2))]))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX_MERGE(t) USE_INDEX_MERGE(t) */ * from t where c < 1 or f > 2", + "Best": "IndexMergeReader(PartialPlans->[Index(t.c_d_e)[[-inf,1)], Index(t.f)[(2,+inf]]], TablePlan->Table(t))", + "HasWarn": false, + "Hints": "use_index_merge(@`sel_1` `t` `c_d_e`, `f`)" + }, + { + "SQL": "select /*+ USE_INDEX_MERGE(db2.t) */ * from t where c < 1 or f > 2", + "Best": "TableReader(Table(t)->Sel([or(lt(test.t.c, 1), gt(test.t.f, 2))]))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + }, + { + "SQL": "select /*+ USE_INDEX_MERGE(db2.t, c_d_e, f_g) */ * from t where c < 1 or f > 2", + "Best": "TableReader(Table(t)->Sel([or(lt(test.t.c, 1), gt(test.t.f, 2))]))", + "HasWarn": true, + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`)" + } + ] + }, + { + "Name": "TestRefine", + "Cases": [ + { + "SQL": "select a from t where c is not null", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]])" + }, + { + "SQL": "select a from t where c >= 4", + "Best": "IndexReader(Index(t.c_d_e)[[4,+inf]])->Projection" + }, + { + "SQL": "select a from t where c <= 4", + "Best": "IndexReader(Index(t.c_d_e)[[-inf,4]])->Projection" + }, + { + "SQL": "select a from t where c = 4 and d = 5 and e = 6", + "Best": "PointGet(Index(t.c_d_e)[KindInt64 4 KindInt64 5 KindInt64 6])->Projection" + }, + { + "SQL": "select a from t where d = 4 and c = 5", + "Best": "IndexReader(Index(t.c_d_e)[[5 4,5 4]])->Projection" + }, + { + "SQL": "select a from t where c = 4 and e < 5", + "Best": "IndexReader(Index(t.c_d_e)[[4,4]]->Sel([lt(test.t.e, 5)]))->Projection" + }, + { + "SQL": "select a from t where c = 4 and d <= 5 and d > 3", + "Best": "IndexReader(Index(t.c_d_e)[(4 3,4 5]])->Projection" + }, + { + "SQL": "select a from t where d <= 5 and d > 3", + "Best": "IndexReader(Index(t.c_d_e)[[NULL,+inf]]->Sel([le(test.t.d, 5) gt(test.t.d, 3)]))->Projection" + }, + { + "SQL": "select a from t where c between 1 and 2", + "Best": "IndexReader(Index(t.c_d_e)[[1,2]])->Projection" + }, + { + "SQL": "select a from t where c not between 1 and 2", + "Best": "IndexReader(Index(t.c_d_e)[[-inf,1) (2,+inf]])->Projection" + }, + { + "SQL": "select a from t where c <= 5 and c >= 3 and d = 1", + "Best": "IndexReader(Index(t.c_d_e)[[3,5]]->Sel([eq(test.t.d, 1)]))->Projection" + }, + { + "SQL": "select a from t where c = 1 or c = 2 or c = 3", + "Best": "IndexReader(Index(t.c_d_e)[[1,3]])->Projection" + }, + { + "SQL": "select b from t where c = 1 or c = 2 or c = 3 or c = 4 or c = 5", + "Best": "TableReader(Table(t)->Sel([or(or(eq(test.t.c, 1), eq(test.t.c, 2)), or(eq(test.t.c, 3), or(eq(test.t.c, 4), eq(test.t.c, 5))))]))->Projection" + }, + { + "SQL": "select a from t where c = 5", + "Best": "IndexReader(Index(t.c_d_e)[[5,5]])->Projection" + }, + { + "SQL": "select a from t where c = 5 and b = 1", + "Best": "IndexLookUp(Index(t.c_d_e)[[5,5]], Table(t)->Sel([eq(test.t.b, 1)]))->Projection" + }, + { + "SQL": "select a from t where not a", + "Best": "PointGet(Handle(t.a)0)" + }, + { + "SQL": "select a from t where c in (1)", + "Best": "IndexReader(Index(t.c_d_e)[[1,1]])->Projection" + }, + { + "SQL": "select a from t where c in ('1')", + "Best": "IndexReader(Index(t.c_d_e)[[1,1]])->Projection" + }, + { + "SQL": "select a from t where c = 1.0", + "Best": "IndexReader(Index(t.c_d_e)[[1,1]])->Projection" + }, + { + "SQL": "select a from t where c in (1) and d > 3", + "Best": "IndexReader(Index(t.c_d_e)[(1 3,1 +inf]])->Projection" + }, + { + "SQL": "select a from t where c in (1, 2, 3) and (d > 3 and d < 4 or d > 5 and d < 6)", + "Best": "Dual->Projection" + }, + { + "SQL": "select a from t where c in (1, 2, 3) and (d > 2 and d < 4 or d > 5 and d < 7)", + "Best": "IndexReader(Index(t.c_d_e)[[1 3,1 3] [1 6,1 6] [2 3,2 3] [2 6,2 6] [3 3,3 3] [3 6,3 6]])->Projection" + }, + { + "SQL": "select a from t where c in (1, 2, 3)", + "Best": "IndexReader(Index(t.c_d_e)[[1,1] [2,2] [3,3]])->Projection" + }, + { + "SQL": "select a from t where c in (1, 2, 3) and d in (1,2) and e = 1", + "Best": "BatchPointGet(Index(t.c_d_e)[[KindInt64 1 KindInt64 1 KindInt64 1] [KindInt64 1 KindInt64 2 KindInt64 1] [KindInt64 2 KindInt64 1 KindInt64 1] [KindInt64 2 KindInt64 2 KindInt64 1] [KindInt64 3 KindInt64 1 KindInt64 1] [KindInt64 3 KindInt64 2 KindInt64 1]])->Projection" + }, + { + "SQL": "select a from t where d in (1, 2, 3)", + "Best": "IndexReader(Index(t.c_d_e)[[NULL,+inf]]->Sel([in(test.t.d, 1, 2, 3)]))->Projection" + }, + { + "SQL": "select a from t where c not in (1)", + "Best": "IndexReader(Index(t.c_d_e)[[-inf,1) (1,+inf]])->Projection" + }, + { + "SQL": "select a from t use index(c_d_e) where c != 1", + "Best": "IndexReader(Index(t.c_d_e)[[-inf,1) (1,+inf]])->Projection" + }, + { + "SQL": "select a from t where c_str like ''", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"\",\"\"]]->Sel([like(test.t.c_str, , 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc'", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc\",\"abc\"]]->Sel([like(test.t.c_str, abc, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str not like 'abc'", + "Best": "IndexReader(Index(t.c_d_e_str)[[NULL,+inf]]->Sel([not(like(test.t.c_str, abc, 92))]))->Projection" + }, + { + "SQL": "select a from t where not (c_str like 'abc' or c_str like 'abd')", + "Best": "IndexReader(Index(t.c_d_e_str)[[NULL,+inf]]->Sel([and(not(like(test.t.c_str, abc, 92)), not(like(test.t.c_str, abd, 92)))]))->Projection" + }, + { + "SQL": "select a from t where c_str like '_abc'", + "Best": "IndexReader(Index(t.c_d_e_str)[[NULL,+inf]]->Sel([like(test.t.c_str, _abc, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc%'", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc\",\"abd\")]->Sel([like(test.t.c_str, abc%, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc_'", + "Best": "IndexReader(Index(t.c_d_e_str)[(\"abc\",\"abd\")]->Sel([like(test.t.c_str, abc_, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc%af'", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc\",\"abd\")]->Sel([like(test.t.c_str, abc%af, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc\\_' escape ''", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc_\",\"abc_\"]]->Sel([like(test.t.c_str, abc\\_, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc\\_'", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc_\",\"abc_\"]]->Sel([like(test.t.c_str, abc\\_, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc\\\\_'", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc_\",\"abc_\"]]->Sel([like(test.t.c_str, abc\\_, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc\\_%'", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc_\",\"abc`\")]->Sel([like(test.t.c_str, abc\\_%, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc=_%' escape '='", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"abc_\",\"abc`\")]->Sel([like(test.t.c_str, abc=_%, 61)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 'abc\\__'", + "Best": "IndexReader(Index(t.c_d_e_str)[(\"abc_\",\"abc`\")]->Sel([like(test.t.c_str, abc\\__, 92)]))->Projection" + }, + { + "SQL": "select a from t where c_str like 123", + "Best": "IndexReader(Index(t.c_d_e_str)[[\"123\",\"123\"]]->Sel([like(test.t.c_str, 123, 92)]))->Projection" + }, + { + "SQL": "select a from t where c = 1.9 and d > 3", + "Best": "Dual" + }, + { + "SQL": "select a from t where c < 1.1", + "Best": "IndexReader(Index(t.c_d_e)[[-inf,2)])->Projection" + }, + { + "SQL": "select a from t where c <= 1.9", + "Best": "IndexReader(Index(t.c_d_e)[[-inf,1]])->Projection" + }, + { + "SQL": "select a from t where c >= 1.1", + "Best": "IndexReader(Index(t.c_d_e)[[2,+inf]])->Projection" + }, + { + "SQL": "select a from t where c > 1.9", + "Best": "IndexReader(Index(t.c_d_e)[(1,+inf]])->Projection" + }, + { + "SQL": "select a from t where c = 123456789098765432101234", + "Best": "Dual" + }, + { + "SQL": "select a from t where c = 'hanfei'", + "Best": "IndexReader(Index(t.c_d_e)[[NULL,+inf]]->Sel([eq(cast(test.t.c, double BINARY), cast(hanfei, double BINARY))]))->Projection" + } + ] + }, + { + "Name": "TestAggEliminator", + "Cases": [ + { + "SQL": "select max(a) from t;", + "Best": "TableReader(Table(t)->Limit)->Limit->StreamAgg" + }, + { + "SQL": "select min(a) from t;", + "Best": "TableReader(Table(t)->Limit)->Limit->StreamAgg" + }, + { + "SQL": "select min(c_str) from t;", + "Best": "IndexReader(Index(t.c_d_e_str)[[-inf,+inf]]->Limit)->Limit->StreamAgg" + }, + { + "SQL": "select max(a), b from t;", + "Best": "TableReader(Table(t)->HashAgg)->HashAgg" + }, + { + "SQL": "select max(a+1) from t;", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]]->TopN([plus(test.t.a, 1) true],0,1))->Projection->TopN([Column#40 true],0,1)->Projection->Projection->StreamAgg" + }, + { + "SQL": "select max(a), min(a) from t;", + "Best": "RightHashJoin{TableReader(Table(t)->Limit)->Limit->StreamAgg->TableReader(Table(t)->Limit)->Limit->StreamAgg}" + }, + { + "SQL": "select max(a), min(a) from t where a > 10", + "Best": "RightHashJoin{TableReader(Table(t)->Limit)->Limit->StreamAgg->TableReader(Table(t)->Limit)->Limit->StreamAgg}" + }, + { + "SQL": "select max(d), min(d) from t where c = 1 and d > 10", + "Best": "LeftHashJoin{IndexReader(Index(t.c_d_e)[(1 10,1 +inf]]->Limit)->Limit->StreamAgg->IndexReader(Index(t.c_d_e)[(1 10,1 +inf]]->Limit)->Limit->StreamAgg}" + }, + { + "SQL": "select max(a), max(c), min(f) from t", + "Best": "LeftHashJoin{RightHashJoin{TableReader(Table(t)->Limit)->Limit->StreamAgg->IndexReader(Index(t.c_d_e)[[NULL,+inf]]->Limit)->Limit->StreamAgg}->IndexReader(Index(t.f)[[NULL,+inf]]->Limit)->Limit->StreamAgg}" + }, + { + "SQL": "select max(a), max(b) from t", + "Best": "TableReader(Table(t)->HashAgg)->HashAgg" + }, + { + "SQL": "select max(a), max(c) from t where c > 10", + "Best": "IndexReader(Index(t.c_d_e)[(10,+inf]]->HashAgg)->HashAgg" + }, + { + "SQL": "select max(a), min(a) from t where a * 3 + 10 < 100", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]]->Sel([lt(plus(mul(test.t.a, 3), 10), 100)])->HashAgg)->HashAgg" + }, + { + "SQL": "select max(a) from t group by b;", + "Best": "TableReader(Table(t)->HashAgg)->HashAgg" + }, + { + "SQL": "select max(a) from (select t1.a from t t1 join t t2 on t1.a=t2.a) t", + "Best": "MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->Limit->StreamAgg" + } + ] + }, + { + "Name": "TestRuleColumnPruningLogicalApply", + "Cases": [ + { + "SQL": "SELECT COUNT(*) FROM (SELECT a, (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t1.a = t2.a LIMIT 1) t FROM t t1) t", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]]->HashAgg)->HashAgg" + }, + { + "SQL": "SELECT COUNT(a) FROM (SELECT a, (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t1.a = t2.a LIMIT 1) t FROM t t1) t", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]]->HashAgg)->HashAgg" + }, + { + "SQL": "SELECT COUNT(t) FROM (SELECT a, (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t1.a = t2.a LIMIT 1) t FROM t t1) t", + "Best": "Apply{IndexReader(Index(t.f)[[NULL,+inf]])->MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->Limit}->HashAgg" + }, + { + "SQL": "SELECT COUNT(a) FROM t t1 WHERE t1.a IN (SELECT t2.a FROM t t2, t t3 WHERE t2.b = t3.b)", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->LeftHashJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.b,test.t.b)->HashAgg}(test.t.a,test.t.a)->HashAgg" + }, + { + "SQL": "SELECT a FROM (SELECT a, (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t1.a = t2.a LIMIT 1) t FROM t t1) t", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]])" + }, + { + "SQL": "SELECT a FROM t WHERE b IN (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a)", + "Best": "LeftHashJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->HashAgg}(test.t.b,test.t.b)" + }, + { + "SQL": "SELECT a FROM t WHERE EXISTS (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t2.b=t.b)", + "Best": "LeftHashJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)}(test.t.b,test.t.b)" + }, + { + "SQL": "SELECT a FROM t WHERE NOT EXISTS (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t2.b=t.b)", + "Best": "LeftHashJoin{TableReader(Table(t))->MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)}(test.t.b,test.t.b)" + }, + { + "SQL": "SELECT a FROM t WHERE b IN (SELECT b FROM t WHERE b = 1 AND a IN (SELECT a FROM t WHERE a > 0))", + "Best": "RightHashJoin{IndexJoin{TableReader(Table(t)->Sel([eq(test.t.b, 1)]))->TableReader(Table(t)->Sel([gt(test.t.a, 0)]))}(test.t.a,test.t.a)->HashAgg->TableReader(Table(t))}(test.t.b,test.t.b)" + }, + { + "SQL": "SELECT a FROM t WHERE b IN (SELECT b FROM t WHERE b = 1 AND a IN (SELECT t2.a FROM (SELECT t1.a, (SELECT t2.b FROM t t2, t t3 WHERE t2.a = t3.a AND t1.a = t2.a LIMIT 1) t FROM t t1) t2))", + "Best": "LeftHashJoin{TableReader(Table(t))->IndexJoin{TableReader(Table(t)->Sel([eq(test.t.b, 1)]))->TableReader(Table(t))}(test.t.a,test.t.a)->HashAgg}(test.t.b,test.t.b)" + } + ] + }, + { + "Name": "TestUnmatchedTableInHint", + "Cases": [ + { + "SQL": "SELECT /*+ TIDB_SMJ(t3, t4) */ * from t t1, t t2 where t1.a = t2.a", + "Warning": "[planner:1815]There are no matching table names for (t3, t4) in optimizer hint /*+ MERGE_JOIN(t3, t4) */ or /*+ TIDB_SMJ(t3, t4) */. Maybe you can use the table alias name" + }, + { + "SQL": "SELECT /*+ TIDB_HJ(t3, t4) */ * from t t1, t t2 where t1.a = t2.a", + "Warning": "[planner:1815]There are no matching table names for (t3, t4) in optimizer hint /*+ HASH_JOIN(t3, t4) */ or /*+ TIDB_HJ(t3, t4) */. Maybe you can use the table alias name" + }, + { + "SQL": "SELECT /*+ TIDB_INLJ(t3, t4) */ * from t t1, t t2 where t1.a = t2.a", + "Warning": "[planner:1815]There are no matching table names for (t3, t4) in optimizer hint /*+ INL_JOIN(t3, t4) */ or /*+ TIDB_INLJ(t3, t4) */. Maybe you can use the table alias name" + }, + { + "SQL": "SELECT /*+ TIDB_SMJ(t1, t2) */ * from t t1, t t2 where t1.a = t2.a", + "Warning": "" + }, + { + "SQL": "SELECT /*+ TIDB_SMJ(t3, t4) */ * from t t1, t t2, t t3 where t1.a = t2.a and t2.a = t3.a", + "Warning": "[planner:1815]There are no matching table names for (t4) in optimizer hint /*+ MERGE_JOIN(t3, t4) */ or /*+ TIDB_SMJ(t3, t4) */. Maybe you can use the table alias name" + } + ] + }, + { + "Name": "TestJoinHints", + "Cases": [ + { + "SQL": "select /*+ TIDB_INLJ(t1) */ t1.a, t2.a, t3.a from t t1, t t2, t t3 where t1.a = t2.a and t2.a = t3.a;", + "Best": "MergeInnerJoin{IndexJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->TableReader(Table(t))}(test.t.a,test.t.a)", + "Warning": "", + "Hints": "merge_join(@`sel_1` `test`.`t3`), inl_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_1` `test`.`t2` ), order_index(@`sel_1` `test`.`t2` `primary`), use_index(@`sel_1` `test`.`t3` ), order_index(@`sel_1` `test`.`t3` `primary`)" + }, + { + "SQL": "select /*+ TIDB_INLJ(test.t1) */ t1.a, t2.a, t3.a from t t1, t t2, t t3 where t1.a = t2.a and t2.a = t3.a;", + "Best": "MergeInnerJoin{IndexJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->TableReader(Table(t))}(test.t.a,test.t.a)", + "Warning": "", + "Hints": "merge_join(@`sel_1` `test`.`t3`), inl_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_1` `test`.`t2` ), order_index(@`sel_1` `test`.`t2` `primary`), use_index(@`sel_1` `test`.`t3` ), order_index(@`sel_1` `test`.`t3` `primary`)" + }, + { + "SQL": "select /*+ TIDB_INLJ(t1) */ t1.b, t2.a from t t1, t t2 where t1.b = t2.a;", + "Best": "LeftHashJoin{TableReader(Table(t))->IndexReader(Index(t.f)[[NULL,+inf]])}(test.t.b,test.t.a)", + "Warning": "[planner:1815]Optimizer Hint /*+ INL_JOIN(t1) */ or /*+ TIDB_INLJ(t1) */ is inapplicable", + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_1` `test`.`t2` `f`), no_order_index(@`sel_1` `test`.`t2` `f`)" + }, + { + "SQL": "select /*+ TIDB_INLJ(t2) */ t1.b, t2.a from t2 t1, t2 t2 where t1.b=t2.b and t2.c=-1;", + "Best": "IndexJoin{TableReader(Table(t2)->Sel([eq(test.t2.c, -1)]))->IndexReader(Index(t2.b)[[NULL,NULL]])}(test.t2.b,test.t2.b)->Projection", + "Warning": "[planner:1815]Optimizer Hint /*+ INL_JOIN(t2) */ or /*+ TIDB_INLJ(t2) */ is inapplicable", + "Hints": "inl_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t2` ), no_order_index(@`sel_1` `test`.`t2` `primary`), use_index(@`sel_1` `test`.`t1` `b`), no_order_index(@`sel_1` `test`.`t1` `b`)" + } + ] + }, + { + "Name": "TestAggregationHints", + "Cases": [ + { + "SQL": "select count(*) from t t1, t t2 where t1.a = t2.b", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->StreamAgg", + "Warning": "" + }, + { + "SQL": "select count(t1.a) from t t1, t t2 where t1.a = t2.a*2 group by t1.a", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.f)[[NULL,+inf]])->Projection}(test.t.a,Column#26)->HashAgg", + "Warning": "" + }, + { + "SQL": "select /*+ HASH_AGG() */ count(*) from t t1, t t2 where t1.a = t2.b", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->HashAgg", + "Warning": "" + }, + { + "SQL": "select /*+ STREAM_AGG() */ count(t1.a) from t t1, t t2 where t1.a = t2.a*2 group by t1.a", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.f)[[NULL,+inf]])->Projection}(test.t.a,Column#26)->Sort->StreamAgg", + "Warning": "" + }, + { + "SQL": "select /*+ HASH_AGG() STREAM_AGG() */ count(*) from t t1, t t2 where t1.a = t2.b", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))}(test.t.a,test.t.b)->StreamAgg", + "Warning": "[planner:1815]Optimizer aggregation hints are conflicted" + }, + { + "SQL": "select /*+ STREAM_AGG() */ distinct a from t", + "Best": "IndexReader(Index(t.f)[[NULL,+inf]])", + "Warning": "" + }, + { + "SQL": "select /*+ HASH_AGG() */ t1.a from t t1 where t1.a < any(select t2.b from t t2)", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t)->HashAgg)->HashAgg->Sel([ne(Column#27, 0)])}", + "Warning": "" + }, + { + "SQL": "select /*+ hash_agg() */ t1.a from t t1 where t1.a != any(select t2.b from t t2)", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))->HashAgg->Sel([ne(Column#28, 0)])}", + "Warning": "" + }, + { + "SQL": "select /*+ hash_agg() */ t1.a from t t1 where t1.a = all(select t2.b from t t2)", + "Best": "LeftHashJoin{IndexReader(Index(t.f)[[NULL,+inf]])->TableReader(Table(t))->HashAgg->Sel([or(and(le(Column#26, 1), if(ne(Column#27, 0), , 1)), or(eq(Column#28, 0), 0))])}", + "Warning": "" + }, + { + "SQL": "select /*+ STREAM_AGG() */ sum(t1.a) from t t1 join t t2 on t1.b = t2.b group by t1.b", + "Best": "LeftHashJoin{TableReader(Table(t))->TableReader(Table(t))->Sort->Projection->StreamAgg}(test.t.b,test.t.b)->HashAgg", + "Warning": "" + }, + { + "SQL": "select /*+ STREAM_AGG() */ e, sum(b) from t group by e", + "Best": "TableReader(Table(t))->Sort->Projection->StreamAgg->Projection", + "Warning": "" + } + ] + }, + { + "Name": "TestQueryBlockHint", + "Cases": [ + { + "SQL": "select /*+ MERGE_JOIN(@sel_1 t1), INL_JOIN(@sel_2 t3) */ t1.a, t1.b from t t1, (select t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Plan": "IndexJoin{MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->IndexReader(Index(t.c_d_e)[[NULL,NULL]])}(test.t.a,test.t.c)", + "Hints": "use_index(@`sel_1` `test`.`t1` ), order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` ), order_index(@`sel_2` `test`.`t2` `primary`), use_index(@`sel_2` `test`.`t3` `c_d_e`), no_order_index(@`sel_2` `test`.`t3` `c_d_e`)" + }, + { + "SQL": "select /*+ MERGE_JOIN(@sel_1 t1), INL_JOIN(@qb t3) */ t1.a, t1.b from t t1, (select /*+ QB_NAME(qb) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Plan": "IndexJoin{MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->IndexReader(Index(t.c_d_e)[[NULL,NULL]])}(test.t.a,test.t.c)", + "Hints": "use_index(@`sel_1` `test`.`t1` ), order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` ), order_index(@`sel_2` `test`.`t2` `primary`), use_index(@`sel_2` `test`.`t3` `c_d_e`), no_order_index(@`sel_2` `test`.`t3` `c_d_e`)" + }, + { + "SQL": "select /*+ HASH_JOIN(@sel_1 t1), MERGE_JOIN(@sel_2 t2) */ t1.a, t1.b from t t1, (select t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Plan": "MergeInnerJoin{MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)", + "Hints": "use_index(@`sel_1` `test`.`t1` ), order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` ), order_index(@`sel_2` `test`.`t2` `primary`), use_index(@`sel_2` `test`.`t3` `c_d_e`), order_index(@`sel_2` `test`.`t3` `c_d_e`)" + }, + { + "SQL": "select /*+ HASH_JOIN(@sel_1 t1), MERGE_JOIN(@qb t2) */ t1.a, t1.b from t t1, (select /*+ QB_NAME(qb) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Plan": "MergeInnerJoin{MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)", + "Hints": "use_index(@`sel_1` `test`.`t1` ), order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` ), order_index(@`sel_2` `test`.`t2` `primary`), use_index(@`sel_2` `test`.`t3` `c_d_e`), order_index(@`sel_2` `test`.`t3` `c_d_e`)" + }, + { + "SQL": "select /*+ INL_JOIN(@sel_1 t1), HASH_JOIN(@sel_2 t2) */ t1.a, t1.b from t t1, (select t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Plan": "MergeInnerJoin{MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)", + "Hints": "use_index(@`sel_1` `test`.`t1` ), order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` ), order_index(@`sel_2` `test`.`t2` `primary`), use_index(@`sel_2` `test`.`t3` `c_d_e`), order_index(@`sel_2` `test`.`t3` `c_d_e`)" + }, + { + "SQL": "select /*+ INL_JOIN(@sel_1 t1), HASH_JOIN(@qb t2) */ t1.a, t1.b from t t1, (select /*+ QB_NAME(qb) */ t2.a from t t2, t t3 where t2.a = t3.c) s where t1.a=s.a", + "Plan": "MergeInnerJoin{MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->IndexReader(Index(t.c_d_e)[[NULL,+inf]])}(test.t.a,test.t.c)", + "Hints": "use_index(@`sel_1` `test`.`t1` ), order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` ), order_index(@`sel_2` `test`.`t2` `primary`), use_index(@`sel_2` `test`.`t3` `c_d_e`), order_index(@`sel_2` `test`.`t3` `c_d_e`)" + }, + { + "SQL": "select /*+ HASH_AGG(@sel_1), STREAM_AGG(@sel_2) */ count(*) from t t1 where t1.a < (select count(*) from t t2 where t1.a > t2.a)", + "Plan": "Apply{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.f)[[NULL,+inf]]->Sel([gt(test.t.a, test.t.a)])->StreamAgg)->StreamAgg}->HashAgg", + "Hints": "hash_agg(@`sel_1`), use_index(@`sel_1` `test`.`t1` `f`), no_order_index(@`sel_1` `test`.`t1` `f`), stream_agg(@`sel_2`), use_index(@`sel_2` `test`.`t2` `f`), no_order_index(@`sel_2` `test`.`t2` `f`), agg_to_cop(@`sel_2`)" + }, + { + "SQL": "select /*+ STREAM_AGG(@sel_1), HASH_AGG(@qb) */ count(*) from t t1 where t1.a < (select /*+ QB_NAME(qb) */ count(*) from t t2 where t1.a > t2.a)", + "Plan": "Apply{IndexReader(Index(t.f)[[NULL,+inf]])->IndexReader(Index(t.f)[[NULL,+inf]]->Sel([gt(test.t.a, test.t.a)])->HashAgg)->HashAgg}->StreamAgg", + "Hints": "stream_agg(@`sel_1`), use_index(@`sel_1` `test`.`t1` `f`), no_order_index(@`sel_1` `test`.`t1` `f`), hash_agg(@`sel_2`), use_index(@`sel_2` `test`.`t2` `f`), no_order_index(@`sel_2` `test`.`t2` `f`), agg_to_cop(@`sel_2`)" + }, + { + "SQL": "select /*+ HASH_AGG(@sel_2) */ a, (select count(*) from t t1 where t1.b > t.a) from t where b > (select b from t t2 where t2.b = t.a limit 1)", + "Plan": "Apply{Apply{TableReader(Table(t))->TableReader(Table(t)->Sel([eq(test.t.b, test.t.a)])->Limit)->Limit}->TableReader(Table(t)->Sel([gt(test.t.b, test.t.a)])->HashAgg)->HashAgg}->Projection", + "Hints": "use_index(@`sel_1` `test`.`t` ), no_order_index(@`sel_1` `test`.`t` `primary`), use_index(@`sel_3` `test`.`t2` ), no_order_index(@`sel_3` `test`.`t2` `primary`), limit_to_cop(@`sel_3`), hash_agg(@`sel_2`), use_index(@`sel_2` `test`.`t1` ), no_order_index(@`sel_2` `test`.`t1` `primary`), agg_to_cop(@`sel_2`)" + }, + { + "SQL": "select /*+ HASH_JOIN(@sel_1 t1), HASH_JOIN(@sel_2 t1) */ t1.b, t2.a, t2.aa from t t1, (select t1.a as a, t2.a as aa from t t1, t t2) t2 where t1.a = t2.aa;", + "Plan": "LeftHashJoin{LeftHashJoin{TableReader(Table(t))->IndexReader(Index(t.f)[[NULL,+inf]])}(test.t.a,test.t.a)->IndexReader(Index(t.f)[[NULL,+inf]])}->Projection", + "Hints": "use_index(@`sel_1` `test`.`t1` ), no_order_index(@`sel_1` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` `f`), no_order_index(@`sel_2` `test`.`t2` `f`), use_index(@`sel_2` `test`.`t1` `f`), no_order_index(@`sel_2` `test`.`t1` `f`)" + }, + { + "SQL": "select /*+ HASH_JOIN(@sel_2 t1@sel_2, t2@sel_2), MERGE_JOIN(@sel_1 t1@sel_1, t2@sel_1) */ * from (select t1.a, t1.b from t t1, t t2 where t1.a = t2.a) t1, t t2 where t1.b = t2.b", + "Plan": "MergeInnerJoin{TableReader(Table(t))->Sort->LeftHashJoin{TableReader(Table(t))->IndexReader(Index(t.f)[[NULL,+inf]])}(test.t.a,test.t.a)->Sort}(test.t.b,test.t.b)->Projection", + "Hints": "use_index(@`sel_1` `test`.`t2` ), no_order_index(@`sel_1` `test`.`t2` `primary`), hash_join(@`sel_2` `test`.`t1`), use_index(@`sel_2` `test`.`t1` ), no_order_index(@`sel_2` `test`.`t1` `primary`), use_index(@`sel_2` `test`.`t2` `f`), no_order_index(@`sel_2` `test`.`t2` `f`)" + } + ] + }, + { + "Name": "TestSemiJoinToInner", + "Cases": [ + { + "SQL": "select t1.a, (select count(t2.a) from t t2 where t2.g in (select t3.d from t t3 where t3.c = t1.a)) as agg_col from t t1;", + "Best": "Apply{IndexReader(Index(t.f)[[NULL,+inf]])->IndexHashJoin{IndexReader(Index(t.c_d_e)[[NULL,+inf]]->HashAgg)->HashAgg->IndexReader(Index(t.g)[[NULL,NULL]])}(test.t.d,test.t.g)}->HashAgg" + } + ] + }, + { + "Name": "TestIndexJoinHint", + "Cases": [ + { + "SQL": "select /*+ INL_JOIN(t1) */ * from t1 join t2 on t1.a = t2.a;", + "Plan": "IndexJoin{IndexLookUp(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]), Table(t1))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)" + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1) */ * from t1 join t2 on t1.a = t2.a;", + "Plan": "IndexHashJoin{IndexLookUp(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]), Table(t1))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)" + }, + { + "SQL": "select /*+ INL_MERGE_JOIN(t1) */ * from t1 join t2 on t1.a = t2.a;", + "Plan": "IndexMergeJoin{IndexLookUp(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]), Table(t1))->Projection->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)" + }, + { + "SQL": "select /*+ inl_merge_join(t2) */ t1.a, t2.a from t t1 left join t t2 use index(g_2) on t1.g=t2.g", + "Plan": "IndexMergeJoin{IndexReader(Index(t.g_2)[[NULL,+inf]])->IndexReader(Index(t.g_2)[[NULL,NULL]]->Sel([not(isnull(test.t.g))]))}(test.t.g,test.t.g)" + }, + { + "SQL": "select /*+inl_merge_join(t2)*/ t1.a, t2.a from t t1 left join t t2 use index(g_2) on t1.g=t2.g order by t1.a", + "Plan": "IndexMergeJoin{IndexReader(Index(t.g_2)[[NULL,+inf]])->IndexReader(Index(t.g_2)[[NULL,NULL]]->Sel([not(isnull(test.t.g))]))}(test.t.g,test.t.g)->Sort" + } + ] + }, + { + "Name": "TestAggToCopHint", + "Cases": [ + { + "SQL": "select /*+ AGG_TO_COP(), HASH_AGG(), USE_INDEX(t) */ sum(a) from ta group by a", + "Best": "IndexReader(Index(ta.a)[[NULL,+inf]]->HashAgg)->HashAgg", + "Warning": "[planner:1815]use_index(test.t) is inapplicable, check whether the table(test.t) exists" + }, + { + "SQL": "select /*+ AGG_TO_COP(), USE_INDEX(t) */ sum(b) from ta group by b", + "Best": "TableReader(Table(ta)->HashAgg)->HashAgg", + "Warning": "[planner:1815]use_index(test.t) is inapplicable, check whether the table(test.t) exists" + }, + { + "SQL": "select /*+ AGG_TO_COP(), HASH_AGG(), USE_INDEX(t) */ distinct a from ta group by a", + "Best": "IndexReader(Index(ta.a)[[NULL,+inf]]->HashAgg)->HashAgg", + "Warning": "[planner:1815]use_index(test.t) is inapplicable, check whether the table(test.t) exists" + }, + { + "SQL": "select /*+ AGG_TO_COP(), HASH_AGG(), HASH_JOIN(t1), USE_INDEX(t1), USE_INDEX(t2) */ sum(t1.a) from ta t1, ta t2 where t1.a = t2.b group by t1.a", + "Best": "LeftHashJoin{TableReader(Table(ta)->Sel([not(isnull(test.ta.a))]))->TableReader(Table(ta)->Sel([not(isnull(test.ta.b))]))}(test.ta.a,test.ta.b)->Projection->HashAgg", + "Warning": "[planner:1815]Optimizer Hint AGG_TO_COP is inapplicable" + } + ] + }, + { + "Name": "TestGroupConcatOrderby", + "Cases": [ + { + "SQL": "select /*+ agg_to_cop */ group_concat(name ORDER BY name desc SEPARATOR '++'), group_concat(id ORDER BY name desc, id asc SEPARATOR '--') from test;", + "Plan": [ + "HashAgg 1.00 root funcs:group_concat(Column#6 order by Column#7 desc separator \"++\")->Column#4, funcs:group_concat(Column#8 order by Column#9 desc, Column#10 separator \"--\")->Column#5", + "└─Projection 10000.00 root cast(test.test.name, var_string(20))->Column#6, test.test.name->Column#7, cast(test.test.id, var_string(20))->Column#8, test.test.name->Column#9, test.test.id->Column#10", + " └─TableReader 10000.00 root data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:test keep order:false, stats:pseudo" + ], + "Result": [ + "500++200++30++20++20++10 3--3--1--1--2--1" + ] + }, + { + "SQL": "select /*+ agg_to_cop */ group_concat(name ORDER BY name desc SEPARATOR '++'), group_concat(id ORDER BY name desc, id asc SEPARATOR '--') from ptest;", + "Plan": [ + "HashAgg 1.00 root funcs:group_concat(Column#6 order by Column#7 desc separator \"++\")->Column#4, funcs:group_concat(Column#8 order by Column#9 desc, Column#10 separator \"--\")->Column#5", + "└─Projection 10000.00 root cast(test.ptest.name, var_string(20))->Column#6, test.ptest.name->Column#7, cast(test.ptest.id, var_string(20))->Column#8, test.ptest.name->Column#9, test.ptest.id->Column#10", + " └─TableReader 10000.00 root partition:all data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:ptest keep order:false, stats:pseudo" + ], + "Result": [ + "500++200++30++20++20++10 3--3--1--1--2--1" + ] + }, + { + "SQL": "select /*+ agg_to_cop */ group_concat(distinct name order by name desc) from test;", + "Plan": [ + "HashAgg 1.00 root funcs:group_concat(distinct Column#5 order by Column#6 desc separator \",\")->Column#4", + "└─Projection 10000.00 root cast(test.test.name, var_string(20))->Column#5, test.test.name->Column#6", + " └─TableReader 10000.00 root data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:test keep order:false, stats:pseudo" + ], + "Result": [ + "500,200,30,20,10" + ] + }, + { + "SQL": "select /*+ agg_to_cop */ group_concat(distinct name order by name desc) from ptest;", + "Plan": [ + "HashAgg 1.00 root funcs:group_concat(distinct Column#5 order by Column#6 desc separator \",\")->Column#4", + "└─Projection 10000.00 root cast(test.ptest.name, var_string(20))->Column#5, test.ptest.name->Column#6", + " └─TableReader 10000.00 root partition:all data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:ptest keep order:false, stats:pseudo" + ], + "Result": [ + "500,200,30,20,10" + ] + } + ] + }, + { + "Name": "TestInlineProjection", + "Cases": [ + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1, t2 where t1.a = t2.a;", + "Plan": "LeftHashJoin{TableReader(Table(t1)->Sel([not(isnull(test.t1.a))]))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t1.a,test.t2.a)", + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", + "Plan": "LeftHashJoin{TableReader(Table(t1)->Sel([not(isnull(test.t1.a))]))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t1.a,test.t2.a)", + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1 left outer join t2 on t1.a = t2.a;", + "Plan": "LeftHashJoin{TableReader(Table(t1))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t1.a,test.t2.a)", + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1 right outer join t2 on t1.a = t2.a;", + "Plan": "RightHashJoin{TableReader(Table(t1)->Sel([not(isnull(test.t1.a))]))->TableReader(Table(t2))}(test.t1.a,test.t2.a)", + "Hints": "hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` ), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select 1 from (select /*+ HASH_JOIN(t1) */ t1.a in (select t2.a from t2) from t1) x;", + "Plan": "LeftHashJoin{IndexReader(Index(t1.idx_a)[[NULL,+inf]])->IndexReader(Index(t2.idx_a)[[NULL,+inf]])}->Projection", + "Hints": "hash_join(@`sel_2` `test`.`t1`), use_index(@`sel_2` `test`.`t1` `idx_a`), no_order_index(@`sel_2` `test`.`t1` `idx_a`), use_index(@`sel_3` `test`.`t2` `idx_a`), no_order_index(@`sel_3` `test`.`t2` `idx_a`)" + }, + { + "SQL": "select 1 from (select /*+ HASH_JOIN(t1) */ t1.a not in (select t2.a from t2) from t1) x;", + "Plan": "LeftHashJoin{IndexReader(Index(t1.idx_a)[[NULL,+inf]])->IndexReader(Index(t2.idx_a)[[NULL,+inf]])}->Projection", + "Hints": "hash_join(@`sel_2` `test`.`t1`), use_index(@`sel_2` `test`.`t1` `idx_a`), no_order_index(@`sel_2` `test`.`t1` `idx_a`), use_index(@`sel_3` `test`.`t2` `idx_a`), no_order_index(@`sel_3` `test`.`t2` `idx_a`)" + }, + { + "SQL": "select /*+ INL_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", + "Plan": "IndexJoin{IndexLookUp(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]), Table(t1))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)", + "Hints": "inl_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` `idx_a`), no_order_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", + "Plan": "IndexHashJoin{IndexLookUp(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]), Table(t1))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)", + "Hints": "inl_hash_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` `idx_a`), no_order_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select /*+ INL_MERGE_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", + "Plan": "IndexMergeJoin{IndexLookUp(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]), Table(t1))->Projection->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)", + "Hints": "inl_merge_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` `idx_a`), order_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` )" + }, + { + "SQL": "select /*+ MERGE_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", + "Plan": "MergeInnerJoin{IndexLookUp(Index(t1.idx_a)[[-inf,+inf]], Table(t1))->Projection->IndexLookUp(Index(t2.idx_a)[[-inf,+inf]], Table(t2))->Projection}(test.t1.a,test.t2.a)", + "Hints": "merge_join(@`sel_1` `test`.`t1`), use_index(@`sel_1` `test`.`t1` `idx_a`), order_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` `idx_a`), order_index(@`sel_1` `test`.`t2` `idx_a`)" + } + ] + }, + { + "Name": "TestHintFromDiffDatabase", + "Cases": [ + { + "SQL": "select /*+ inl_hash_join(test.t1) */ * from test.t2 join test.t1 on test.t2.a = test.t1.a", + "Plan": "IndexHashJoin{IndexReader(Index(t2.idx_a)[[-inf,+inf]])->IndexReader(Index(t1.idx_a)[[NULL,NULL]]->Sel([not(isnull(test.t1.a))]))}(test.t2.a,test.t1.a)" + } + ] + }, + { + "Name": "TestMPPSinglePartitionType", + "Cases": [ + { + "SQL": "select * from employee where deptid>1", + "Plan": [ + "TableReader 3333.33 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 3333.33 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection 3333.33 mpp[tiflash] gt(test.employee.deptid, 1)", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select deptid+5, empid*10 from employee where deptid>1", + "Plan": [ + "TableReader 3333.33 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 3333.33 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 3333.33 mpp[tiflash] plus(test.employee.deptid, 5)->Column#5, mul(test.employee.empid, 10)->Column#6", + " └─Selection 3333.33 mpp[tiflash] gt(test.employee.deptid, 1)", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(*) from employee group by deptid+1", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] Column#5", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#12, funcs:sum(Column#13)->Column#5", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#12, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#14, funcs:count(1)->Column#13", + " └─Projection 10000.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#14", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(distinct deptid) a from employee", + "Plan": [ + "TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.00 mpp[tiflash] Column#5", + " └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#7)->Column#5", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#7", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee join employee e1 using(deptid)", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12487.50 mpp[tiflash] test.employee.deptid, test.employee.empid, test.employee.salary, test.employee.empid, test.employee.salary", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, test.employee.deptid)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e1 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(distinct a) from (select count(distinct deptid) a from employee) x", + "Plan": [ + "TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.00 mpp[tiflash] Column#6", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct Column#5)->Column#6", + " └─Projection 1.00 mpp[tiflash] Column#5", + " └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#8)->Column#5", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#8", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(a) from (select count(distinct deptid) a, count(distinct empid) b from employee) x group by b+1", + "Plan": [ + "TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.00 mpp[tiflash] Column#7", + " └─HashAgg 1.00 mpp[tiflash] group by:Column#12, funcs:sum(Column#13)->Column#7", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#12, collate: binary]", + " └─HashAgg 1.00 mpp[tiflash] group by:Column#15, funcs:count(Column#14)->Column#13", + " └─Projection 1.00 mpp[tiflash] Column#5->Column#14, plus(Column#6, 1)->Column#15", + " └─Projection 1.00 mpp[tiflash] Column#5, Column#6", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#5, funcs:count(distinct test.employee.empid)->Column#6", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, test.employee.empid, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(a) from (select count(distinct deptid) a, count(distinct empid) b from employee) x group by b", + "Plan": [ + "TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.00 mpp[tiflash] Column#7", + " └─HashAgg 1.00 mpp[tiflash] group by:Column#6, funcs:count(Column#5)->Column#7", + " └─Projection 1.00 mpp[tiflash] Column#5, Column#6", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#5, funcs:count(distinct test.employee.empid)->Column#6", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, test.employee.empid, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee join (select count(distinct deptid) a, count(distinct empid) b from employee) e1", + "Plan": [ + "TableReader 10000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 10000.00 mpp[tiflash] CARTESIAN inner join", + " ├─ExchangeReceiver(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 1.00 mpp[tiflash] Column#9, Column#10", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#9, funcs:count(distinct test.employee.empid)->Column#10", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " │ └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, test.employee.empid, ", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee e1 join (select count(distinct deptid) a from employee) e2 on e1.deptid = e2.a", + "Plan": [ + "TableReader 1.25 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.25 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 1.25 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, Column#9)]", + " ├─ExchangeReceiver(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 1.00 mpp[tiflash] Column#9", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#10)->Column#9", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#10", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " │ └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e1 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select count(distinct deptid) a from employee) e1 join employee e2 on e1.a = e2.deptid", + "Plan": [ + "TableReader 1.25 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.25 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.25 mpp[tiflash] Column#5, test.employee.empid, test.employee.deptid, test.employee.salary", + " └─HashJoin 1.25 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, Column#5)]", + " ├─ExchangeReceiver(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 1.00 mpp[tiflash] Column#5", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#10)->Column#5", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#10", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " │ └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e2 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select count(distinct deptid) a from employee) e1 join (select count(distinct deptid) b from employee) e2 on e1.a=e2.b", + "Plan": [ + "TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 1.00 mpp[tiflash] inner join, equal:[eq(Column#5, Column#10)]", + " ├─ExchangeReceiver(Build) 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 1.00 mpp[tiflash] Column#5", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#11)->Column#5", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#11", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " │ └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─Projection(Probe) 1.00 mpp[tiflash] Column#10", + " └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#12)->Column#10", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#12", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee e1 join employee e2 on e1.deptid = e2.deptid", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, test.employee.deptid)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:e1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e2 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select deptid+1 d, count(empid) a from employee group by d) e1 join employee e2 on e1.d = e2.deptid", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] Column#6, Column#5, test.employee.empid, test.employee.deptid, test.employee.salary", + " └─HashJoin 8000.00 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, Column#6)]", + " ├─ExchangeReceiver(Build) 6400.00 mpp[tiflash] ", + " │ └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#6, Column#5", + " │ └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " │ └─Projection 8000.00 mpp[tiflash] Column#5, test.employee.deptid", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#13, funcs:sum(Column#14)->Column#5, funcs:firstrow(Column#15)->test.employee.deptid", + " │ └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " │ └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#13, collate: binary]", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#27, funcs:count(Column#25)->Column#14, funcs:firstrow(Column#26)->Column#15", + " │ └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#25, test.employee.deptid->Column#26, plus(test.employee.deptid, 1)->Column#27", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e2 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee e1 join (select deptid+1 d, count(empid) a from employee group by d) e2 on e1.deptid = e2.d", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 8000.00 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, Column#10)]", + " ├─ExchangeReceiver(Build) 6400.00 mpp[tiflash] ", + " │ └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#10, Column#9", + " │ └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " │ └─Projection 8000.00 mpp[tiflash] Column#9, test.employee.deptid", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#13, funcs:sum(Column#14)->Column#9, funcs:firstrow(Column#15)->test.employee.deptid", + " │ └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " │ └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#13, collate: binary]", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#27, funcs:count(Column#25)->Column#14, funcs:firstrow(Column#26)->Column#15", + " │ └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#25, test.employee.deptid->Column#26, plus(test.employee.deptid, 1)->Column#27", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─Selection(Probe) 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e1 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select deptid+1 d, count(empid) a from employee group by d) e1 join (select deptid+1 d, count(empid) a from employee group by d) e2 on e1.d = e2.d", + "Plan": [ + "TableReader 6400.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 6400.00 mpp[tiflash] inner join, equal:[eq(Column#6, Column#12)]", + " ├─ExchangeReceiver(Build) 6400.00 mpp[tiflash] ", + " │ └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#6, Column#5", + " │ └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " │ └─Projection 8000.00 mpp[tiflash] Column#5, test.employee.deptid", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#17, funcs:sum(Column#18)->Column#5, funcs:firstrow(Column#19)->test.employee.deptid", + " │ └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " │ └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#17, collate: binary]", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#43, funcs:count(Column#41)->Column#18, funcs:firstrow(Column#42)->Column#19", + " │ └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#41, test.employee.deptid->Column#42, plus(test.employee.deptid, 1)->Column#43", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─Projection(Probe) 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#12, Column#11", + " └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " └─Projection 8000.00 mpp[tiflash] Column#11, test.employee.deptid", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#20, funcs:sum(Column#21)->Column#11, funcs:firstrow(Column#22)->test.employee.deptid", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#20, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#46, funcs:count(Column#44)->Column#21, funcs:firstrow(Column#45)->Column#22", + " └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#44, test.employee.deptid->Column#45, plus(test.employee.deptid, 1)->Column#46", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "set tidb_broadcast_join_threshold_count=1", + "Plan": null + }, + { + "SQL": "set tidb_broadcast_join_threshold_size=1", + "Plan": null + }, + { + "SQL": "select * from (select count(distinct deptid) a from employee) e1 join employee e2 on e1.a = e2.deptid", + "Plan": [ + "Projection 1.25 root Column#5, test.employee.empid, test.employee.deptid, test.employee.salary", + "└─HashJoin 1.25 root inner join, equal:[eq(test.employee.deptid, Column#5)]", + " ├─TableReader(Build) 1.00 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " │ └─Projection 1.00 mpp[tiflash] Column#5", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#12)->Column#5", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#12", + " │ └─ExchangeReceiver 1.00 mpp[tiflash] ", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " │ └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─TableReader(Probe) 9990.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e2 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select count(distinct deptid) a from employee) e1 join (select count(distinct deptid) b from employee) e2 on e1.a=e2.b", + "Plan": [ + "HashJoin 1.00 root inner join, equal:[eq(Column#5, Column#10)]", + "├─TableReader(Build) 1.00 root MppVersion: 2, data:ExchangeSender", + "│ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + "│ └─Projection 1.00 mpp[tiflash] Column#10", + "│ └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#16)->Column#10", + "│ └─ExchangeReceiver 1.00 mpp[tiflash] ", + "│ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + "│ └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#16", + "│ └─ExchangeReceiver 1.00 mpp[tiflash] ", + "│ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + "│ └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + "│ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + "└─TableReader(Probe) 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.00 mpp[tiflash] Column#5", + " └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#15)->Column#5", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct test.employee.deptid)->Column#15", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " └─HashAgg 1.00 mpp[tiflash] group by:test.employee.deptid, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee e1 join employee e2 on e1.deptid = e2.deptid", + "Plan": [ + "TableReader 12487.50 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12487.50 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 12487.50 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, test.employee.deptid)]", + " ├─ExchangeReceiver(Build) 9990.00 mpp[tiflash] ", + " │ └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " │ └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:e1 pushed down filter:empty, keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.employee.deptid, collate: binary]", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e2 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select deptid+1 d, count(empid) a from employee group by d) e1 join employee e2 on e1.d = e2.deptid", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] Column#6, Column#5, test.employee.empid, test.employee.deptid, test.employee.salary", + " └─HashJoin 8000.00 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, Column#6)]", + " ├─ExchangeReceiver(Build) 6400.00 mpp[tiflash] ", + " │ └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#6, collate: binary]", + " │ └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#6, Column#5", + " │ └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " │ └─Projection 8000.00 mpp[tiflash] Column#5, test.employee.deptid", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#13, funcs:sum(Column#14)->Column#5, funcs:firstrow(Column#15)->test.employee.deptid", + " │ └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " │ └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#13, collate: binary]", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#29, funcs:count(Column#27)->Column#14, funcs:firstrow(Column#28)->Column#15", + " │ └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#27, test.employee.deptid->Column#28, plus(test.employee.deptid, 1)->Column#29", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#26, collate: binary]", + " └─Projection 9990.00 mpp[tiflash] test.employee.empid, test.employee.deptid, test.employee.salary, cast(test.employee.deptid, bigint(20))->Column#26", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e2 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from employee e1 join (select deptid+1 d, count(empid) a from employee group by d) e2 on e1.deptid = e2.d", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.employee.empid, test.employee.deptid, test.employee.salary, Column#10, Column#9", + " └─HashJoin 8000.00 mpp[tiflash] inner join, equal:[eq(test.employee.deptid, Column#10)]", + " ├─ExchangeReceiver(Build) 6400.00 mpp[tiflash] ", + " │ └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#10, collate: binary]", + " │ └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#10, Column#9", + " │ └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " │ └─Projection 8000.00 mpp[tiflash] Column#9, test.employee.deptid", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#13, funcs:sum(Column#14)->Column#9, funcs:firstrow(Column#15)->test.employee.deptid", + " │ └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " │ └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#13, collate: binary]", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#29, funcs:count(Column#27)->Column#14, funcs:firstrow(Column#28)->Column#15", + " │ └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#27, test.employee.deptid->Column#28, plus(test.employee.deptid, 1)->Column#29", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 9990.00 mpp[tiflash] ", + " └─ExchangeSender 9990.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#26, collate: binary]", + " └─Projection 9990.00 mpp[tiflash] test.employee.empid, test.employee.deptid, test.employee.salary, cast(test.employee.deptid, bigint(20))->Column#26", + " └─Selection 9990.00 mpp[tiflash] not(isnull(test.employee.deptid))", + " └─TableFullScan 10000.00 mpp[tiflash] table:e1 pushed down filter:empty, keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from (select deptid+1 d, count(empid) a from employee group by d) e1 join (select deptid+1 d, count(empid) a from employee group by d) e2 on e1.d = e2.d", + "Plan": [ + "TableReader 6400.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashJoin 6400.00 mpp[tiflash] inner join, equal:[eq(Column#6, Column#12)]", + " ├─ExchangeReceiver(Build) 6400.00 mpp[tiflash] ", + " │ └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#6, collate: binary]", + " │ └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#6, Column#5", + " │ └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " │ └─Projection 8000.00 mpp[tiflash] Column#5, test.employee.deptid", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#17, funcs:sum(Column#18)->Column#5, funcs:firstrow(Column#19)->test.employee.deptid", + " │ └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " │ └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#17, collate: binary]", + " │ └─HashAgg 8000.00 mpp[tiflash] group by:Column#43, funcs:count(Column#41)->Column#18, funcs:firstrow(Column#42)->Column#19", + " │ └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#41, test.employee.deptid->Column#42, plus(test.employee.deptid, 1)->Column#43", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo", + " └─ExchangeReceiver(Probe) 6400.00 mpp[tiflash] ", + " └─ExchangeSender 6400.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#12, collate: binary]", + " └─Projection 6400.00 mpp[tiflash] plus(test.employee.deptid, 1)->Column#12, Column#11", + " └─Selection 6400.00 mpp[tiflash] not(isnull(plus(test.employee.deptid, 1)))", + " └─Projection 8000.00 mpp[tiflash] Column#11, test.employee.deptid", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#20, funcs:sum(Column#21)->Column#11, funcs:firstrow(Column#22)->test.employee.deptid", + " └─ExchangeReceiver 8000.00 mpp[tiflash] ", + " └─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: Column#20, collate: binary]", + " └─HashAgg 8000.00 mpp[tiflash] group by:Column#46, funcs:count(Column#44)->Column#21, funcs:firstrow(Column#45)->Column#22", + " └─Projection 10000.00 mpp[tiflash] test.employee.empid->Column#44, test.employee.deptid->Column#45, plus(test.employee.deptid, 1)->Column#46", + " └─TableFullScan 10000.00 mpp[tiflash] table:employee keep order:false, stats:pseudo" + ] + } + ] + }, + { + "Name": "TestSemiJoinRewriteHints", + "Cases": [ + { + "SQL": "select /*+ SEMI_JOIN_REWRITE() */ * from t", + "Plan": [ + "TableReader 10000.00 root data:TableFullScan", + "└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warning": "[planner:1815]The SEMI_JOIN_REWRITE hint is not used correctly, maybe it's not in a subquery or the subquery is not EXISTS clause." + }, + { + "SQL": "select * from t where a > (select /*+ SEMI_JOIN_REWRITE() */ min(b) from t t1 where t1.c = t.c)", + "Plan": [ + "HashJoin 7992.00 root inner join, equal:[eq(test.t.c, test.t.c)], other cond:gt(test.t.a, Column#9)", + "├─Selection(Build) 6393.60 root not(isnull(Column#9))", + "│ └─HashAgg 7992.00 root group by:test.t.c, funcs:min(Column#10)->Column#9, funcs:firstrow(test.t.c)->test.t.c", + "│ └─TableReader 7992.00 root data:HashAgg", + "│ └─HashAgg 7992.00 cop[tikv] group by:test.t.c, funcs:min(test.t.b)->Column#10", + "│ └─Selection 9990.00 cop[tikv] not(isnull(test.t.c))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9980.01 root data:Selection", + " └─Selection 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.c))", + " └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warning": "[planner:1815]The SEMI_JOIN_REWRITE hint is not used correctly, maybe it's not in a subquery or the subquery is not EXISTS clause." + }, + { + "SQL": "select * from t where exists (select /*+ SEMI_JOIN_REWRITE() */ 1 from t t1 where t1.a=t.a)", + "Plan": [ + "HashJoin 9990.00 root inner join, equal:[eq(test.t.a, test.t.a)]", + "├─HashAgg(Build) 7992.00 root group by:test.t.a, funcs:firstrow(test.t.a)->test.t.a", + "│ └─TableReader 7992.00 root data:HashAgg", + "│ └─HashAgg 7992.00 cop[tikv] group by:test.t.a, ", + "│ └─Selection 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9990.00 root data:Selection", + " └─Selection 9990.00 cop[tikv] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warning": "" + }, + { + "SQL": "select * from t where exists (select /*+ SEMI_JOIN_REWRITE() */ t.b from t t1 where t1.a=t.a)", + "Plan": [ + "HashJoin 9990.00 root inner join, equal:[eq(test.t.a, test.t.a)]", + "├─HashAgg(Build) 7992.00 root group by:test.t.a, funcs:firstrow(test.t.a)->test.t.a", + "│ └─TableReader 7992.00 root data:HashAgg", + "│ └─HashAgg 7992.00 cop[tikv] group by:test.t.a, ", + "│ └─Selection 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9990.00 root data:Selection", + " └─Selection 9990.00 cop[tikv] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warning": "" + }, + { + "SQL": "select exists(select /*+ SEMI_JOIN_REWRITE() */ * from t t1 where t1.a=t.a) from t", + "Plan": [ + "HashJoin 10000.00 root left outer semi join, equal:[eq(test.t.a, test.t.a)]", + "├─TableReader(Build) 10000.00 root data:TableFullScan", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 10000.00 root data:TableFullScan", + " └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warning": "[planner:1815]SEMI_JOIN_REWRITE() is inapplicable for LeftOuterSemiJoin." + }, + { + "SQL": "select * from t where exists (select /*+ SEMI_JOIN_REWRITE() */ 1 from t t1 where t1.a > t.a)", + "Plan": [ + "HashJoin 7992.00 root CARTESIAN semi join, other cond:gt(test.t.a, test.t.a)", + "├─TableReader(Build) 9990.00 root data:Selection", + "│ └─Selection 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9990.00 root data:Selection", + " └─Selection 9990.00 cop[tikv] not(isnull(test.t.a))", + " └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" + ], + "Warning": "[planner:1815]SEMI_JOIN_REWRITE() is inapplicable for SemiJoin with left conditions or other conditions." + } + ] + }, + { + "Name": "TestHJBuildAndProbeHint4DynamicPartitionTable", + "Cases": [ + { + "SQL": "select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "HashJoin 12475.01 root inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + "├─TableReader(Build) 9980.01 root partition:all data:Selection", + "│ └─Selection 9980.01 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.b))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9980.01 root partition:all data:Selection", + " └─Selection 9980.01 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.b))", + " └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Result": [ + "1 1" + ], + "Warning": null + }, + { + "SQL": "select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "HashJoin 12475.01 root inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + "├─TableReader(Build) 9980.01 root partition:all data:Selection", + "│ └─Selection 9980.01 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.b))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9980.01 root partition:all data:Selection", + " └─Selection 9980.01 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.b))", + " └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "Result": [ + "1 1" + ], + "Warning": null + }, + { + "SQL": "select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "HashJoin 12475.01 root inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + "├─TableReader(Build) 9980.01 root partition:all data:Selection", + "│ └─Selection 9980.01 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.b))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9980.01 root partition:all data:Selection", + " └─Selection 9980.01 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.b))", + " └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "Result": [ + "1 1" + ], + "Warning": null + }, + { + "SQL": "select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "HashJoin 12475.01 root inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + "├─TableReader(Build) 9980.01 root partition:all data:Selection", + "│ └─Selection 9980.01 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.b))", + "│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader(Probe) 9980.01 root partition:all data:Selection", + " └─Selection 9980.01 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.b))", + " └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Result": [ + "1 1" + ], + "Warning": null + } + ] + }, + { + "Name": "TestHJBuildAndProbeHint4TiFlash", + "Cases": [ + { + "SQL": "select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "TableReader 12500.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12500.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12500.00 mpp[tiflash] test.t1.a, test.t2.a", + " └─HashJoin 12500.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "TableReader 12500.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12500.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12500.00 mpp[tiflash] test.t1.a, test.t2.a", + " └─HashJoin 12500.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "TableReader 12500.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12500.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12500.00 mpp[tiflash] test.t1.a, test.t2.a", + " └─HashJoin 12500.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b", + "Plan": [ + "TableReader 12500.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 12500.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 12500.00 mpp[tiflash] test.t1.a, test.t2.a", + " └─HashJoin 12500.00 mpp[tiflash] inner join, equal:[eq(test.t1.a, test.t2.a) eq(test.t1.b, test.t2.b)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo" + ], + "Warning": null + } + ] + }, + { + "Name": "TestCountStarForTiFlash", + "Cases": [ + { + "SQL": "select count(*) from t", + "Plan": [ + "HashAgg 1.00 root funcs:count(Column#12)->Column#10", + "└─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(test.t.d)->Column#12", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select count(1), count(3.1415), count(0), count(null) from t -- every count but count(null) can be rewritten", + "Plan": [ + "HashAgg 1.00 root funcs:count(Column#18)->Column#10, funcs:count(Column#19)->Column#11, funcs:count(Column#20)->Column#12, funcs:count(Column#21)->Column#13", + "└─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(test.t.d)->Column#18, funcs:count(test.t.d)->Column#19, funcs:count(test.t.d)->Column#20, funcs:count(NULL)->Column#21", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select count(*) from t where a=1", + "Plan": [ + "StreamAgg 1.00 root funcs:count(1)->Column#10", + "└─TableReader 10.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 10.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection 10.00 mpp[tiflash] eq(test.t.a, 1)", + " └─TableFullScan 10000.00 mpp[tiflash] table:t pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select count(*) from t_pick_row_id", + "Plan": [ + "HashAgg 1.00 root funcs:count(Column#5)->Column#3", + "└─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(test.t_pick_row_id._tidb_rowid)->Column#5", + " └─TableFullScan 10000.00 mpp[tiflash] table:t_pick_row_id keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select t.b, t.c from (select count(*) as c from t) a, t where a.c=t.a -- test recursive", + "Plan": [ + "HashJoin 1.25 root inner join, equal:[eq(test.t.a, Column#10)]", + "├─HashAgg(Build) 1.00 root funcs:count(Column#22)->Column#10", + "│ └─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "│ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + "│ └─HashAgg 1.00 mpp[tiflash] funcs:count(test.t.d)->Column#22", + "│ └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo", + "└─TableReader(Probe) 10000.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select * from t outTable where outTable.a > (select count(*) from t inn where inn.a = outTable.b) -- shouldn't be rewritten for correlated sub query", + "Plan": [ + "Projection 10000.00 root test.t.a, test.t.b, test.t.c, test.t.d, test.t.e, test.t.f, test.t.g, test.t.h", + "└─Apply 10000.00 root CARTESIAN inner join, other cond:gt(test.t.a, Column#19)", + " ├─TableReader(Build) 10000.00 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: PassThrough", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:outTable keep order:false, stats:pseudo", + " └─HashAgg(Probe) 10000.00 root funcs:count(Column#21)->Column#19", + " └─TableReader 10000.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 10000.00 mpp[tiflash] funcs:count(1)->Column#21", + " └─Selection 80000000.00 mpp[tiflash] eq(cast(test.t.a, double BINARY), cast(test.t.b, double BINARY))", + " └─TableFullScan 100000000.00 mpp[tiflash] table:inn pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select count(*) from t t1, t t2 where t1.a=t2.e -- shouldn't be rewritten when join under agg", + "Plan": [ + "HashAgg 1.00 root funcs:count(Column#20)->Column#19", + "└─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(1)->Column#20", + " └─HashJoin 12500.00 mpp[tiflash] inner join, equal:[eq(test.t.a, test.t.e)]", + " ├─ExchangeReceiver(Build) 10000.00 mpp[tiflash] ", + " │ └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: Broadcast, Compression: FAST", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:t1 keep order:false, stats:pseudo", + " └─TableFullScan(Probe) 10000.00 mpp[tiflash] table:t2 keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select count(distinct 1) from t -- shouldn't be rewritten", + "Plan": [ + "TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 1.00 mpp[tiflash] Column#10", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(distinct Column#12)->Column#10", + " └─ExchangeReceiver 1.00 mpp[tiflash] ", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough, Compression: FAST", + " └─HashAgg 1.00 mpp[tiflash] group by:1, ", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select count(1), count(a), count(b) from t -- keep count(1)", + "Plan": [ + "HashAgg 1.00 root funcs:count(Column#16)->Column#10, funcs:count(Column#17)->Column#11, funcs:count(Column#18)->Column#12", + "└─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(1)->Column#16, funcs:count(test.t.a)->Column#17, funcs:count(test.t.b)->Column#18", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select a, count(*) from t group by a -- shouldn't be rewritten", + "Plan": [ + "TableReader 8000.00 root MppVersion: 2, data:ExchangeSender", + "└─ExchangeSender 8000.00 mpp[tiflash] ExchangeType: PassThrough", + " └─Projection 8000.00 mpp[tiflash] test.t.a, Column#10", + " └─Projection 8000.00 mpp[tiflash] Column#10, test.t.a", + " └─HashAgg 8000.00 mpp[tiflash] group by:test.t.a, funcs:count(1)->Column#10, funcs:firstrow(test.t.a)->test.t.a", + " └─ExchangeReceiver 10000.00 mpp[tiflash] ", + " └─ExchangeSender 10000.00 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.t.a, collate: binary]", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select sum(a) from t -- sum shouldn't be rewritten", + "Plan": [ + "HashAgg 1.00 root funcs:sum(Column#12)->Column#10", + "└─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:sum(Column#15)->Column#12", + " └─Projection 10000.00 mpp[tiflash] cast(test.t.a, decimal(10,0) BINARY)->Column#15", + " └─TableFullScan 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo" + ], + "Warning": null + } + ] + }, + { + "Name": "TestHashAggPushdownToTiFlashCompute", + "Cases": [ + { + "SQL": "select /*+ agg_to_cop() hash_agg() */ avg( distinct tbl_15.col_96 ) as r0 , min( tbl_15.col_92 ) as r1 , sum( distinct tbl_15.col_91 ) as r2 , max( tbl_15.col_92 ) as r3 from tbl_15 where tbl_15.col_94 != '2033-01-09' and tbl_15.col_93 > 7623.679908049186 order by r0,r1,r2,r3 limit 79 ;", + "Plan": [ + "Limit 1.00 root offset:0, count:79", + "└─Sort 1.00 root Column#11, Column#12, Column#13, Column#14", + " └─HashAgg 1.00 root funcs:avg(distinct Column#89)->Column#11, funcs:min(Column#90)->Column#12, funcs:sum(distinct Column#91)->Column#13, funcs:max(Column#92)->Column#14", + " └─Projection 7100.44 root cast(test.tbl_15.col_96, decimal(10,0) UNSIGNED BINARY)->Column#89, Column#15->Column#90, cast(test.tbl_15.col_91, decimal(3,0) UNSIGNED BINARY)->Column#91, Column#16->Column#92", + " └─PartitionUnion 7100.44 root ", + " ├─TableReader 1775.11 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: PassThrough", + " │ └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:min(Column#18)->Column#15, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91, funcs:max(Column#20)->Column#16, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91", + " │ └─ExchangeReceiver 1775.11 mpp[tiflash] ", + " │ └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.tbl_15.col_96, collate: binary], [name: test.tbl_15.col_91, collate: binary]", + " │ └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:min(test.tbl_15.col_92)->Column#18, funcs:max(test.tbl_15.col_92)->Column#20", + " │ └─Selection 2218.89 mpp[tiflash] gt(test.tbl_15.col_93, 7623.679908049186), ne(test.tbl_15.col_94, 2033-01-09 00:00:00.000000)", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p0 pushed down filter:empty, keep order:false, stats:pseudo", + " ├─TableReader 1775.11 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: PassThrough", + " │ └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:min(Column#30)->Column#15, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91, funcs:max(Column#32)->Column#16, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91", + " │ └─ExchangeReceiver 1775.11 mpp[tiflash] ", + " │ └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.tbl_15.col_96, collate: binary], [name: test.tbl_15.col_91, collate: binary]", + " │ └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:min(test.tbl_15.col_92)->Column#30, funcs:max(test.tbl_15.col_92)->Column#32", + " │ └─Selection 2218.89 mpp[tiflash] gt(test.tbl_15.col_93, 7623.679908049186), ne(test.tbl_15.col_94, 2033-01-09 00:00:00.000000)", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p1 pushed down filter:empty, keep order:false, stats:pseudo", + " ├─TableReader 1775.11 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: PassThrough", + " │ └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:min(Column#42)->Column#15, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91, funcs:max(Column#44)->Column#16, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91", + " │ └─ExchangeReceiver 1775.11 mpp[tiflash] ", + " │ └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.tbl_15.col_96, collate: binary], [name: test.tbl_15.col_91, collate: binary]", + " │ └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:min(test.tbl_15.col_92)->Column#42, funcs:max(test.tbl_15.col_92)->Column#44", + " │ └─Selection 2218.89 mpp[tiflash] gt(test.tbl_15.col_93, 7623.679908049186), ne(test.tbl_15.col_94, 2033-01-09 00:00:00.000000)", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p2 pushed down filter:empty, keep order:false, stats:pseudo", + " └─TableReader 1775.11 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:min(Column#54)->Column#15, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91, funcs:max(Column#56)->Column#16, funcs:firstrow(test.tbl_15.col_96)->test.tbl_15.col_96, funcs:firstrow(test.tbl_15.col_91)->test.tbl_15.col_91", + " └─ExchangeReceiver 1775.11 mpp[tiflash] ", + " └─ExchangeSender 1775.11 mpp[tiflash] ExchangeType: HashPartition, Compression: FAST, Hash Cols: [name: test.tbl_15.col_96, collate: binary], [name: test.tbl_15.col_91, collate: binary]", + " └─HashAgg 1775.11 mpp[tiflash] group by:test.tbl_15.col_91, test.tbl_15.col_96, funcs:min(test.tbl_15.col_92)->Column#54, funcs:max(test.tbl_15.col_92)->Column#56", + " └─Selection 2218.89 mpp[tiflash] gt(test.tbl_15.col_93, 7623.679908049186), ne(test.tbl_15.col_94, 2033-01-09 00:00:00.000000)", + " └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p3 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select /*+ agg_to_cop() hash_agg() */ count(1) from tbl_15 ;", + "Plan": [ + "HashAgg 1.00 root funcs:count(Column#12)->Column#11", + "└─PartitionUnion 4.00 root ", + " ├─HashAgg 1.00 root funcs:count(Column#13)->Column#12", + " │ └─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(test.tbl_15.col_91)->Column#13", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p0 keep order:false, stats:pseudo", + " ├─HashAgg 1.00 root funcs:count(Column#14)->Column#12", + " │ └─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(test.tbl_15.col_91)->Column#14", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p1 keep order:false, stats:pseudo", + " ├─HashAgg 1.00 root funcs:count(Column#15)->Column#12", + " │ └─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " │ └─HashAgg 1.00 mpp[tiflash] funcs:count(test.tbl_15.col_91)->Column#15", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p2 keep order:false, stats:pseudo", + " └─HashAgg 1.00 root funcs:count(Column#16)->Column#12", + " └─TableReader 1.00 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 1.00 mpp[tiflash] ExchangeType: PassThrough", + " └─HashAgg 1.00 mpp[tiflash] funcs:count(test.tbl_15.col_91)->Column#16", + " └─TableFullScan 10000.00 mpp[tiflash] table:tbl_15, partition:p3 keep order:false, stats:pseudo" + ], + "Warning": null + }, + { + "SQL": "select /*+ agg_to_cop() stream_agg() */ avg( tbl_16.col_100 ) as r0 from tbl_16 where tbl_16.col_100 in ( 10672141 ) or tbl_16.col_104 in ( 'yfEG1t!*b' ,'C1*bqx_qyO' ,'vQ^yUpKHr&j#~' ) group by tbl_16.col_100 order by r0 limit 20 ;", + "Plan": [ + "TopN 20.00 root Column#10, offset:0, count:20", + "└─HashAgg 63.95 root group by:test.tbl_16.col_100, funcs:avg(Column#11, Column#12)->Column#10", + " └─PartitionUnion 63.95 root ", + " ├─StreamAgg 31.98 root group by:Column#22, funcs:count(Column#19)->Column#11, funcs:sum(Column#20)->Column#12, funcs:firstrow(Column#21)->test.tbl_16.col_100", + " │ └─Projection 39.97 root test.tbl_16.col_100->Column#19, cast(test.tbl_16.col_100, decimal(8,0) UNSIGNED BINARY)->Column#20, test.tbl_16.col_100->Column#21, test.tbl_16.col_100->Column#22", + " │ └─Sort 39.97 root test.tbl_16.col_100", + " │ └─TableReader 39.97 root MppVersion: 2, data:ExchangeSender", + " │ └─ExchangeSender 39.97 mpp[tiflash] ExchangeType: PassThrough", + " │ └─Selection 39.97 mpp[tiflash] or(eq(test.tbl_16.col_100, 10672141), in(test.tbl_16.col_104, \"yfEG1t!*b\", \"C1*bqx_qyO\", \"vQ^yUpKHr&j#~\"))", + " │ └─TableFullScan 10000.00 mpp[tiflash] table:tbl_16, partition:p0 pushed down filter:empty, keep order:false, stats:pseudo", + " └─StreamAgg 31.98 root group by:Column#26, funcs:count(Column#23)->Column#11, funcs:sum(Column#24)->Column#12, funcs:firstrow(Column#25)->test.tbl_16.col_100", + " └─Projection 39.97 root test.tbl_16.col_100->Column#23, cast(test.tbl_16.col_100, decimal(8,0) UNSIGNED BINARY)->Column#24, test.tbl_16.col_100->Column#25, test.tbl_16.col_100->Column#26", + " └─Sort 39.97 root test.tbl_16.col_100", + " └─TableReader 39.97 root MppVersion: 2, data:ExchangeSender", + " └─ExchangeSender 39.97 mpp[tiflash] ExchangeType: PassThrough", + " └─Selection 39.97 mpp[tiflash] or(eq(test.tbl_16.col_100, 10672141), in(test.tbl_16.col_104, \"yfEG1t!*b\", \"C1*bqx_qyO\", \"vQ^yUpKHr&j#~\"))", + " └─TableFullScan 10000.00 mpp[tiflash] table:tbl_16, partition:p1 pushed down filter:empty, keep order:false, stats:pseudo" + ], + "Warning": null + } + ] + } +] diff --git a/tests/integrationtest/r/planner/core/casetest/physicalplantest/physical_plan.result b/tests/integrationtest/r/planner/core/casetest/physicalplantest/physical_plan.result new file mode 100644 index 0000000000000..541e196db8f36 --- /dev/null +++ b/tests/integrationtest/r/planner/core/casetest/physicalplantest/physical_plan.result @@ -0,0 +1,3755 @@ +drop table if exists t1, t2; +create table t1(a int primary key, b int not null); +create table t2(a int primary key, b int not null); +insert into t1 values(1,1),(2,2); +insert into t2 values(1,1),(2,1); +explain format = 'brief' select /*+ inl_merge_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +IndexMergeJoin 12500.00 root left outer join, inner:TableReader, outer key:planner__core__casetest__physicalplantest__physical_plan.t1.a, inner key:planner__core__casetest__physicalplantest__physical_plan.t2.a, other cond:eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [planner__core__casetest__physicalplantest__physical_plan.t1.a], keep order:true, stats:pseudo +select /*+ inl_merge_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +explain format = 'brief' select /*+ inl_hash_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +IndexHashJoin 12500.00 root left outer join, inner:TableReader, outer key:planner__core__casetest__physicalplantest__physical_plan.t1.a, inner key:planner__core__casetest__physicalplantest__physical_plan.t2.a, equal cond:eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a), eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [planner__core__casetest__physicalplantest__physical_plan.t1.a], keep order:false, stats:pseudo +select /*+ inl_hash_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +explain format = 'brief' select /*+ inl_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +IndexJoin 12500.00 root left outer join, inner:TableReader, outer key:planner__core__casetest__physicalplantest__physical_plan.t1.a, inner key:planner__core__casetest__physicalplantest__physical_plan.t2.a, equal cond:eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a), eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [planner__core__casetest__physicalplantest__physical_plan.t1.a], keep order:false, stats:pseudo +select /*+ inl_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +explain format = 'brief' select /*+ hash_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +drop table if exists t1, t2, t3; +create table t1(a int(11) DEFAULT NULL, b int(11) DEFAULT NULL, UNIQUE KEY idx_a (a)); +create table t2(a int(11) DEFAULT NULL, b int(11) DEFAULT NULL); +create table t3(a int(11) DEFAULT NULL, b int(11) DEFAULT NULL, c int(11) DEFAULT NULL, UNIQUE KEY idx_abc (a, b, c)); +explain format = 'brief' select a from t2 where t2.a < (select t1.a from t1 where t1.a = t2.a); +id estRows task access object operator info +HashJoin 9990.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.a)], other cond:lt(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.a) +├─IndexReader(Build) 7992.00 root index:Selection +│ └─Selection 7992.00 cop[tikv] lt(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t1.a) +│ └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:false, stats:pseudo +└─TableReader(Probe) 7992.00 root data:Selection + └─Selection 7992.00 cop[tikv] lt(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t2.a), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)) + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select a from t2 where t2.a < (select t1.a from t1 where t1.a = t2.a); +a +explain format = 'brief' select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null); +id estRows task access object operator info +Projection 9990.00 root planner__core__casetest__physicalplantest__physical_plan.t2.a +└─Apply 9990.00 root CARTESIAN inner join, other cond:lt(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.a) + ├─TableReader(Build) 9990.00 root data:Selection + │ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─Selection(Probe) 7992.00 root not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)) + └─MaxOneRow 9990.00 root + └─IndexLookUp 9.99 root + ├─IndexRangeScan(Build) 9990.00 cop[tikv] table:t1, index:idx_a(a) range:[NULL,NULL], keep order:false, stats:pseudo + └─Selection(Probe) 9.99 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) + └─TableRowIDScan 9990.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null); +a +explain format = 'brief' select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a); +id estRows task access object operator info +Projection 9990.00 root planner__core__casetest__physicalplantest__physical_plan.t2.a +└─Apply 9990.00 root CARTESIAN inner join, other cond:lt(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a) + ├─TableReader(Build) 9990.00 root data:Selection + │ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─Selection(Probe) 7992.00 root not(isnull(planner__core__casetest__physicalplantest__physical_plan.t3.a)) + └─MaxOneRow 9990.00 root + └─IndexReader 19980.00 root index:IndexRangeScan + └─IndexRangeScan 19980.00 cop[tikv] table:t3, index:idx_abc(a, b, c) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t3.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)], keep order:false, stats:pseudo +select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a); +a +set tidb_cost_model_version=2; +drop table if exists t, tt; +create table t (a int primary key, b int, index idx(a)); +create table tt (a int primary key) partition by range (a) (partition p0 values less than (100), partition p1 values less than (200)); +set @@tidb_partition_prune_mode='static'; +begin; +insert into t values(1, 1); +explain format = 'brief' select /*+ TIDB_INLJ(t2) */ * from t t1, t t2 where t1.a = t2.a; +id estRows task access object operator info +IndexJoin 12500.00 root inner join, inner:UnionScan, outer key:planner__core__casetest__physicalplantest__physical_plan.t.a, inner key:planner__core__casetest__physicalplantest__physical_plan.t.a, equal cond:eq(planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.a) +├─UnionScan(Build) 10000.00 root +│ └─TableReader 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─UnionScan(Probe) 10000.00 root + └─TableReader 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [planner__core__casetest__physicalplantest__physical_plan.t.a], keep order:false, stats:pseudo +rollback; +begin; +insert into t values(1, 1); +explain format = 'brief' select /*+ TIDB_INLJ(t2) */ * from t t1, t t2 where t1.a = t2.b; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.b, planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.b +└─HashJoin 12487.50 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t.b, planner__core__casetest__physicalplantest__physical_plan.t.a)] + ├─UnionScan(Build) 9990.00 root not(isnull(planner__core__casetest__physicalplantest__physical_plan.t.b)) + │ └─TableReader 9990.00 root data:Selection + │ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─UnionScan(Probe) 10000.00 root + └─TableReader 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +rollback; +begin; +insert into t values(1, 1); +explain format = 'brief' select /*+ TIDB_INLJ(t2) */ t1.a , t2.b from t t1, t t2 where t1.a = t2.b; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.b +└─HashJoin 12487.50 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t.b, planner__core__casetest__physicalplantest__physical_plan.t.a)] + ├─UnionScan(Build) 10000.00 root + │ └─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─UnionScan(Probe) 9990.00 root not(isnull(planner__core__casetest__physicalplantest__physical_plan.t.b)) + └─TableReader 9990.00 root data:Selection + └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t.b)) + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +rollback; +begin; +insert into tt values(1); +explain format = 'brief' select /*+ TIDB_INLJ(t2) */ * from tt t1, tt t2 where t1.a = t2.a; +id estRows task access object operator info +HashJoin 25000.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.tt.a, planner__core__casetest__physicalplantest__physical_plan.tt.a)] +├─PartitionUnion(Build) 20000.00 root +│ ├─UnionScan 10000.00 root +│ │ └─TableReader 10000.00 root data:TableFullScan +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p0 keep order:false, stats:pseudo +│ └─UnionScan 10000.00 root +│ └─TableReader 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p1 keep order:false, stats:pseudo +└─PartitionUnion(Probe) 20000.00 root + ├─UnionScan 10000.00 root + │ └─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p0 keep order:false, stats:pseudo + └─UnionScan 10000.00 root + └─TableReader 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p1 keep order:false, stats:pseudo +rollback; +set tidb_cost_model_version=DEFAULT; +set @@tidb_partition_prune_mode=DEFAULT; +drop table if exists t1, t2; +create table t1 (c_int int, c_str varchar(40), primary key (c_int)); +create table t2 (c_int int, c_str varchar(40), primary key (c_int)); +insert into t1 (`c_int`, `c_str`) values (11, 'keen williamson'), (10, 'gracious hermann'); +insert into t2 (`c_int`, `c_str`) values (10, 'gracious hermann'); +begin; +insert into t2 values (11, 'amazing merkle'); +insert into t2 values (12, 'amazing merkle'); +explain format = 'brief' select /*+ MERGE_JOIN(t1,t2) */ * from t1, t2 where t1.c_int = t2.c_int and t1.c_int = t2.c_int order by t1.c_int, t2.c_str; +id estRows task access object operator info +Sort 12500.00 root planner__core__casetest__physicalplantest__physical_plan.t1.c_int, planner__core__casetest__physicalplantest__physical_plan.t2.c_str +└─MergeJoin 12500.00 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.c_int, right key:planner__core__casetest__physicalplantest__physical_plan.t2.c_int + ├─UnionScan(Build) 10000.00 root + │ └─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +rollback; +set tidb_cost_model_version=2; +drop table if exists tn; +create table tn(a int, b int, c int, d int, key (a, b, c, d)); +set tidb_opt_limit_push_down_threshold=0; +explain format = 'brief' select /*+ LIMIT_TO_COP() */ * from tn where a = 1 and b > 10 and b < 20 and c > 50 order by d limit 1; +id estRows task access object operator info +TopN 0.83 root planner__core__casetest__physicalplantest__physical_plan.tn.d, offset:0, count:1 +└─IndexReader 0.83 root index:TopN + └─TopN 0.83 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.tn.d, offset:0, count:1 + └─Selection 0.83 cop[tikv] gt(planner__core__casetest__physicalplantest__physical_plan.tn.c, 50) + └─IndexRangeScan 2.50 cop[tikv] table:tn, index:a(a, b, c, d) range:(1 10,1 20), keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from tn where a = 1 and b > 10 and b < 20 and c > 50 order by d limit 1; +id estRows task access object operator info +TopN 0.83 root planner__core__casetest__physicalplantest__physical_plan.tn.d, offset:0, count:1 +└─IndexReader 0.83 root index:TopN + └─TopN 0.83 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.tn.d, offset:0, count:1 + └─Selection 0.83 cop[tikv] gt(planner__core__casetest__physicalplantest__physical_plan.tn.c, 50) + └─IndexRangeScan 2.50 cop[tikv] table:tn, index:a(a, b, c, d) range:(1 10,1 20), keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ LIMIT_TO_COP() */ a from tn where a div 2 order by a limit 1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─Selection 1.00 root intdiv(planner__core__casetest__physicalplantest__physical_plan.tn.a, 2) + └─IndexReader 1.00 root index:IndexFullScan + └─IndexFullScan 1.00 cop[tikv] table:tn, index:a(a, b, c, d) keep order:true, stats:pseudo +show warnings; +Level Code Message +Warning 1105 Scalar function 'intdiv'(signature: IntDivideInt, return type: bigint(20)) is not supported to push down to storage layer now. +Warning 1815 Optimizer Hint LIMIT_TO_COP is inapplicable +explain format = 'brief' select /*+ LIMIT_TO_COP() */ a from tn where a > 10 limit 1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─IndexReader 1.00 root index:Limit + └─Limit 1.00 cop[tikv] offset:0, count:1 + └─IndexRangeScan 1.00 cop[tikv] table:tn, index:a(a, b, c, d) range:(10,+inf], keep order:false, stats:pseudo +show warnings; +Level Code Message +set tidb_cost_model_version=DEFAULT; +set tidb_opt_limit_push_down_threshold=DEFAULT; +drop table if exists tc, te, t1, t2, t3, t4; +drop view if exists v; +create table tc(a int); +create table te(c int); +create table t1(a int); +create table t2(b int); +create table t3(c int); +create table t4(d int); +insert into tc values (1), (5), (10), (15), (20), (30), (50); +insert into te values (1), (5), (10), (25), (40), (60), (100); +insert into t1 values (1), (5), (10), (25), (40), (60), (100); +insert into t2 values (1), (5), (10), (25), (40), (60), (100); +insert into t3 values (1), (5), (10), (25), (40), (60), (100); +insert into t4 values (1), (5), (10), (25), (40), (60), (100); +analyze table tc; +analyze table te; +analyze table t1; +analyze table t2; +analyze table t3; +analyze table t4; +create definer='root'@'localhost' view v as select * from tc; +explain format = 'brief' with cte as (select /*+ MERGE() */ * from tc where tc.a < 60) select * from cte where cte.a <18; +id estRows task access object operator info +TableReader 4.00 root data:Selection +└─Selection 4.00 cop[tikv] lt(planner__core__casetest__physicalplantest__physical_plan.tc.a, 18), lt(planner__core__casetest__physicalplantest__physical_plan.tc.a, 60) + └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte as (select * from tc where tc.a < 60) select * from cte c1, cte c2 where c1.a <18; +id estRows task access object operator info +Projection 39.20 root planner__core__casetest__physicalplantest__physical_plan.tc.a, planner__core__casetest__physicalplantest__physical_plan.tc.a +└─HashJoin 39.20 root CARTESIAN inner join + ├─Selection(Build) 5.60 root lt(planner__core__casetest__physicalplantest__physical_plan.tc.a, 18) + │ └─CTEFullScan 7.00 root CTE:cte AS c1 data:CTE_0 + └─CTEFullScan(Probe) 7.00 root CTE:cte AS c2 data:CTE_0 +CTE_0 7.00 root Non-Recursive CTE +└─TableReader(Seed Part) 7.00 root data:Selection + └─Selection 7.00 cop[tikv] lt(planner__core__casetest__physicalplantest__physical_plan.tc.a, 60), or(lt(planner__core__casetest__physicalplantest__physical_plan.tc.a, 18), 1) + └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte as (select /*+ MERGE() */ * from v) select * from cte; +id estRows task access object operator info +TableReader 7.00 root data:TableFullScan +└─TableFullScan 7.00 cop[tikv] table:tc keep order:false +show warnings; +Level Code Message +explain format = 'brief' WITH cte1 AS (SELECT /*+ MERGE() */ a FROM tc), cte2 AS (SELECT /*+ MERGE()*/ c FROM te) SELECT * FROM cte1 JOIN cte2 WHERE cte1.a = cte2.c; +id estRows task access object operator info +HashJoin 7.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.tc.a, planner__core__casetest__physicalplantest__physical_plan.te.c)] +├─TableReader(Build) 7.00 root data:Selection +│ └─Selection 7.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.te.c)) +│ └─TableFullScan 7.00 cop[tikv] table:te keep order:false +└─TableReader(Probe) 7.00 root data:Selection + └─Selection 7.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.a)) + └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +show warnings; +Level Code Message +explain format = 'brief' WITH cte1 AS (SELECT a FROM tc), cte2 AS (SELECT /*+ MERGE() */ c FROM te) SELECT * FROM cte1 JOIN cte2 WHERE cte1.a = cte2.c; +id estRows task access object operator info +HashJoin 7.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.tc.a, planner__core__casetest__physicalplantest__physical_plan.te.c)] +├─TableReader(Build) 7.00 root data:Selection +│ └─Selection 7.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.te.c)) +│ └─TableFullScan 7.00 cop[tikv] table:te keep order:false +└─TableReader(Probe) 7.00 root data:Selection + └─Selection 7.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.a)) + └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +show warnings; +Level Code Message +explain format = 'brief' with recursive cte1(c1) as (select 1 union select /*+ MERGE() */ c1 + 1 c1 from cte1 where c1 < 100) select * from cte1; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte1 data:CTE_0 +CTE_0 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#2 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 0.80 root cast(plus(Column#3, 1), bigint(1) BINARY)->Column#5 + └─Selection 0.80 root lt(Column#3, 100) + └─CTETable 1.00 root Scan on CTE_0 +show warnings; +Level Code Message +Warning 1815 Recursive CTE cte1 can not be inlined by merge() or tidb_opt_force_inline_cte. +explain format = 'brief' WITH cte1 AS (SELECT * FROM t1) SELECT /*+ MERGE() */ * FROM cte1 join t2 on cte1.a = t2.b; +id estRows task access object operator info +HashJoin 7.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 7.00 root data:Selection +│ └─Selection 7.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false +└─TableReader(Probe) 7.00 root data:Selection + └─Selection 7.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)) + └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +show warnings; +Level Code Message +Warning 1815 Hint merge() is inapplicable. Please check whether the hint is used in the right place, you should use this hint inside the CTE. +explain format = 'brief' with cte1 as (with cte3 as (select /*+ MERGE() */ * from t1),cte4 as (select /*+ MERGE() */ * from t2) select /*+ MERGE() */ * from cte3,cte4) ,cte2 as (select /*+ MERGE() */ * from t3) select * from cte1,cte2; +id estRows task access object operator info +HashJoin 343.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (select * from tc), cte2 as (with cte3 as (select /*+ MERGE() */ * from te) ,cte4 as (select * from tc) select * from cte3,cte4) select * from cte2; +id estRows task access object operator info +HashJoin 49.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +└─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:te keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (with cte2 as (select /*+ MERGE() */ * from te) ,cte3 as (select /*+ MERGE() */ * from tc) select /*+ MERGE() */ * from cte2,cte3) select * from cte1; +id estRows task access object operator info +HashJoin 49.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +└─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:te keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (select * from t1), cte2 as (with cte3 as (with cte5 as (select * from t2),cte6 as (select * from t3) select * from cte5,cte6) ,cte4 as (select * from t4) select * from cte3,cte4) select * from cte1,cte2; +id estRows task access object operator info +HashJoin 2401.00 root CARTESIAN inner join +├─HashJoin(Build) 49.00 root CARTESIAN inner join +│ ├─TableReader(Build) 7.00 root data:TableFullScan +│ │ └─TableFullScan 7.00 cop[tikv] table:t4 keep order:false +│ └─TableReader(Probe) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (select /*+ MERGE() */ * from t1), cte2 as (with cte3 as (with cte5 as (select * from t2),cte6 as (select * from t3) select * from cte5,cte6) ,cte4 as (select * from t4) select * from cte3,cte4) select * from cte1,cte2; +id estRows task access object operator info +HashJoin 2401.00 root CARTESIAN inner join +├─HashJoin(Build) 49.00 root CARTESIAN inner join +│ ├─TableReader(Build) 7.00 root data:TableFullScan +│ │ └─TableFullScan 7.00 cop[tikv] table:t4 keep order:false +│ └─TableReader(Probe) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (select * from t1), cte2 as (with cte3 as (with cte5 as (select * from t2),cte6 as (select * from t3) select * from cte5,cte6) ,cte4 as (select /*+ MERGE() */ * from t4) select * from cte3,cte4) select * from cte1,cte2; +id estRows task access object operator info +HashJoin 2401.00 root CARTESIAN inner join +├─HashJoin(Build) 49.00 root CARTESIAN inner join +│ ├─TableReader(Build) 7.00 root data:TableFullScan +│ │ └─TableFullScan 7.00 cop[tikv] table:t4 keep order:false +│ └─TableReader(Probe) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (select * from t1), cte2 as (with cte3 as (with cte5 as (select * from t2),cte6 as (select /*+ MERGE() */ * from t3) select * from cte5,cte6) ,cte4 as (select * from t4) select * from cte3,cte4) select * from cte1,cte2; +id estRows task access object operator info +HashJoin 2401.00 root CARTESIAN inner join +├─HashJoin(Build) 49.00 root CARTESIAN inner join +│ ├─TableReader(Build) 7.00 root data:TableFullScan +│ │ └─TableFullScan 7.00 cop[tikv] table:t4 keep order:false +│ └─TableReader(Probe) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte2 as (with cte4 as (select * from tc) select * from te, cte4) select * from cte2; +id estRows task access object operator info +HashJoin 49.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +└─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:te keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte2 as (with cte4 as (select /*+ merge() */ * from tc) select * from te, cte4) select * from cte2; +id estRows task access object operator info +HashJoin 49.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:tc keep order:false +└─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:te keep order:false +show warnings; +Level Code Message +explain format = 'brief' with cte1 as (with cte2 as (with cte3 as (select /*+ MERGE() */ * from t2) select /*+ MERGE() */ * from cte3) select * from cte2,(select /*+ MERGE() */ * from t1) ttt) select * from cte1; +id estRows task access object operator info +HashJoin 49.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false +└─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false +show warnings; +Level Code Message +Warning 1815 Hint merge() is inapplicable. Please check whether the hint is used in the right place, you should use this hint inside the CTE. +Warning 1815 Hint merge() is inapplicable. Please check whether the hint is used in the right place, you should use this hint inside the CTE. +explain format = 'brief' with cte1 as (with cte2 as (with cte3 as (select /*+ MERGE() */ * from t2) select /*+ MERGE() */ * from cte3) select * from cte2,(select * from t1) ttt) select * from cte1,(select /*+ MERGE() */ * from t3) ttw; +id estRows task access object operator info +HashJoin 343.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false +show warnings; +Level Code Message +Warning 1815 Hint merge() is inapplicable. Please check whether the hint is used in the right place, you should use this hint inside the CTE. +explain format = 'brief' with cte1 as (with cte2 as (with cte3 as (select /*+ MERGE() */ * from t2) select /*+ MERGE() */ * from cte3) select * from cte2,(select * from t1) ttt) select * from cte1,(select * from t3) ttw; +id estRows task access object operator info +HashJoin 343.00 root CARTESIAN inner join +├─TableReader(Build) 7.00 root data:TableFullScan +│ └─TableFullScan 7.00 cop[tikv] table:t3 keep order:false +└─HashJoin(Probe) 49.00 root CARTESIAN inner join + ├─TableReader(Build) 7.00 root data:TableFullScan + │ └─TableFullScan 7.00 cop[tikv] table:t1 keep order:false + └─TableReader(Probe) 7.00 root data:TableFullScan + └─TableFullScan 7.00 cop[tikv] table:t2 keep order:false +show warnings; +Level Code Message +set tidb_cost_model_version=2; +drop table if exists t; +CREATE TABLE `t` (`a` int(11)); +insert into t values (1), (5), (10), (15), (20), (30), (50); +set tidb_opt_force_inline_cte=1; -- enable force inline CTE; +explain format='brief' with cte as (select * from t) select * from cte; -- inline; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with cte as (select /*+ MERGE() */ * from t) select * from cte; -- inline; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with cte as (select * from t) select * from cte cte1, cte cte2; -- inline CTEs is used by multi consumers; +id estRows task access object operator info +HashJoin 100000000.00 root CARTESIAN inner join +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with cte1 as (select * from t), cte2 as (select a from cte1 group by a) select * from cte1, cte2; -- multi inline CTEs; +id estRows task access object operator info +HashJoin 80000000.00 root CARTESIAN inner join +├─HashAgg(Build) 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t.a, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.a)->planner__core__casetest__physicalplantest__physical_plan.t.a +│ └─TableReader 8000.00 root data:HashAgg +│ └─HashAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t.a, +│ └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with recursive cte1(c1) as (select 1 union select c1 + 1 c1 from cte1 where c1 < 100) select * from cte1; -- Recursive CTE can not be inlined; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte1 data:CTE_0 +CTE_0 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#2 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 0.80 root cast(plus(Column#3, 1), bigint(1) BINARY)->Column#5 + └─Selection 0.80 root lt(Column#3, 100) + └─CTETable 1.00 root Scan on CTE_0 +show warnings; +Level Code Message +Warning 1815 Recursive CTE cte1 can not be inlined by merge() or tidb_opt_force_inline_cte. +explain format='brief' with cte1 as (with cte2 as (select * from t) select * from cte2) select * from cte1; -- non-recursive 'cte2' definition inside another non-recursive 'cte1'; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with recursive cte2(c1) as (with cte1 as (select * from t) select a c1 from cte1 union select c1+1 c1 from cte2 where c1 < 100) select * from cte2; -- non-recursive 'cte1' inside recursive 'cte2'; +id estRows task access object operator info +CTEFullScan 8001.00 root CTE:cte2 data:CTE_0 +CTE_0 8001.00 root Recursive CTE +├─TableReader(Seed Part) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +└─Projection(Recursive Part) 8000.00 root cast(plus(planner__core__casetest__physicalplantest__physical_plan.t.a, 1), int(11))->planner__core__casetest__physicalplantest__physical_plan.t.a + └─Selection 8000.00 root lt(planner__core__casetest__physicalplantest__physical_plan.t.a, 100) + └─CTETable 10000.00 root Scan on CTE_0 +show warnings; +Level Code Message +Warning 1815 Recursive CTE cte2 can not be inlined by merge() or tidb_opt_force_inline_cte. +explain format='brief' with cte1 as (with recursive cte2(c1) as (select 1 union select c1 + 1 c1 from cte2 where c1 < 100) select * from cte2) select * from cte1; -- recursive 'cte2' inside non-recursive 'cte1'; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte2 data:CTE_2 +CTE_2 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#9 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 0.80 root cast(plus(Column#10, 1), bigint(1) BINARY)->Column#12 + └─Selection 0.80 root lt(Column#10, 100) + └─CTETable 1.00 root Scan on CTE_2 +show warnings; +Level Code Message +Warning 1815 Recursive CTE cte2 can not be inlined by merge() or tidb_opt_force_inline_cte. +Warning 1815 Recursive CTE cte2 can not be inlined by merge() or tidb_opt_force_inline_cte. +set tidb_opt_force_inline_cte=0; -- disable force inline CTE; +explain format='brief' with cte as (select * from t) select * from cte; -- inlined by single consumer; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with cte as (select /*+ MERGE() */ * from t) select * from cte; -- inline, merge hint override session variable; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with recursive cte1(c1) as (select 1 union select /*+ MERGE() */ c1 + 1 c1 from cte1 where c1 < 100) select * from cte1; -- Recursive CTE can not be inlined; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte1 data:CTE_0 +CTE_0 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#2 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 0.80 root cast(plus(Column#3, 1), bigint(1) BINARY)->Column#5 + └─Selection 0.80 root lt(Column#3, 100) + └─CTETable 1.00 root Scan on CTE_0 +show warnings; +Level Code Message +Warning 1815 Recursive CTE cte1 can not be inlined by merge() or tidb_opt_force_inline_cte. +explain format='brief' with cte1 as (with cte2 as (select * from t) select * from cte2) select * from cte1; -- non-recursive 'cte2' definition inside another non-recursive 'cte1'; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format='brief' with recursive cte2(c1) as (with cte1 as (select * from t) select a c1 from cte1 union select c1+1 c1 from cte2 where c1 < 100) select * from cte2; -- non-recursive 'cte1' inside recursive 'cte2'; +id estRows task access object operator info +CTEFullScan 8001.00 root CTE:cte2 data:CTE_0 +CTE_0 8001.00 root Recursive CTE +├─TableReader(Seed Part) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +└─Projection(Recursive Part) 8000.00 root cast(plus(planner__core__casetest__physicalplantest__physical_plan.t.a, 1), int(11))->planner__core__casetest__physicalplantest__physical_plan.t.a + └─Selection 8000.00 root lt(planner__core__casetest__physicalplantest__physical_plan.t.a, 100) + └─CTETable 10000.00 root Scan on CTE_0 +show warnings; +Level Code Message +explain format='brief' with cte1 as (with recursive cte2(c1) as (select 1 union select c1 + 1 c1 from cte2 where c1 < 100) select * from cte2) select * from cte1; -- recursive 'cte2' inside non-recursive 'cte1'; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte2 data:CTE_2 +CTE_2 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#9 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 0.80 root cast(plus(Column#10, 1), bigint(1) BINARY)->Column#12 + └─Selection 0.80 root lt(Column#10, 100) + └─CTETable 1.00 root Scan on CTE_2 +show warnings; +Level Code Message +set tidb_cost_model_version=DEFAULT; +set tidb_opt_force_inline_cte=DEFAULT; +drop table if exists t, t1, t2; +CREATE TABLE `t` (`a` int(11)); +create table t1 (c1 int primary key, c2 int, index c2 (c2)); +create table t2 (c1 int unique, c2 int); +insert into t values (1), (5), (10), (15), (20), (30), (50); +explain format='brief' with recursive cte1(c1) as (select c1 from t1 union select c1 from t2 limit 1) select * from cte1; -- non-recursive limit, inline cte1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─HashAgg 1.00 root group by:Column#18, funcs:firstrow(Column#18)->Column#18 + └─Union 20000.00 root + ├─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─IndexReader 10000.00 root index:IndexFullScan + └─IndexFullScan 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo +explain format='brief' with recursive cte1(c1) as (select c1 from t1 union select c1 from t2 limit 100 offset 100) select * from cte1; -- non-recursive limit, inline cte1; +id estRows task access object operator info +Limit 100.00 root offset:100, count:100 +└─HashAgg 200.00 root group by:Column#18, funcs:firstrow(Column#18)->Column#18 + └─Union 20000.00 root + ├─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─IndexReader 10000.00 root index:IndexFullScan + └─IndexFullScan 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo +explain format='brief' with recursive cte1(c1) as (select c1 from t1 union select c1 from t2 limit 0 offset 0) select * from cte1; -- non-recursive limit, inline cte1; +id estRows task access object operator info +TableDual 0.00 root rows:0 +explain format='brief' with cte1 as (select 1), cte2 as (select 2) select * from cte1 union (with cte2 as (select 3) select * from cte2 union all select * from cte2) -- inline cte1, not inline cte2; +id estRows task access object operator info +HashAgg 3.00 root group by:Column#9, funcs:firstrow(Column#9)->Column#9 +└─Union 3.00 root + ├─Projection 1.00 root 1->Column#9 + │ └─TableDual 1.00 root rows:1 + └─Union 2.00 root + ├─CTEFullScan 1.00 root CTE:cte2 data:CTE_2 + └─CTEFullScan 1.00 root CTE:cte2 data:CTE_2 +CTE_2 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 3->Column#5 + └─TableDual 1.00 root rows:1 +explain format='brief' with base1 as (WITH RECURSIVE cte(a) AS (with tmp as (select 1 as a) SELECT a from tmp UNION SELECT a+1 FROM cte) SELECT * FROM cte) select * from base1; -- issue #43318; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte data:CTE_3 +CTE_3 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#15 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 1.00 root cast(plus(Column#16, 1), bigint(1) BINARY)->Column#18 + └─CTETable 1.00 root Scan on CTE_3 +explain format='brief' with cte as (select 1) select * from cte; -- inline cte; +id estRows task access object operator info +Projection 1.00 root 1->Column#3 +└─TableDual 1.00 root rows:1 +explain format='brief' with cte1 as (select 1), cte2 as (select 2) select * from cte1 union select * from cte2; -- inline cte1, cte2; +id estRows task access object operator info +HashAgg 2.00 root group by:Column#7, funcs:firstrow(Column#7)->Column#7 +└─Union 2.00 root + ├─Projection 1.00 root 1->Column#7 + │ └─TableDual 1.00 root rows:1 + └─Projection 1.00 root 2->Column#7 + └─TableDual 1.00 root rows:1 +explain format='brief' with cte as (select 1) select * from cte union select * from cte; -- cannot be inlined; +id estRows task access object operator info +HashAgg 2.00 root group by:Column#4, funcs:firstrow(Column#4)->Column#4 +└─Union 2.00 root + ├─CTEFullScan 1.00 root CTE:cte data:CTE_0 + └─CTEFullScan 1.00 root CTE:cte data:CTE_0 +CTE_0 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 1->Column#1 + └─TableDual 1.00 root rows:1 +explain format='brief' with cte as (with cte as (select 1) select * from cte) select * from cte; -- inline nested cte; +id estRows task access object operator info +Projection 1.00 root 1->Column#7 +└─TableDual 1.00 root rows:1 +explain format='brief' with cte as (with cte as (select 1) select * from cte) select * from cte a, cte b; -- inline inner cte, cannot be inlined outer cte; +id estRows task access object operator info +HashJoin 1.00 root CARTESIAN inner join +├─CTEFullScan(Build) 1.00 root CTE:cte AS b data:CTE_0 +└─CTEFullScan(Probe) 1.00 root CTE:cte AS a data:CTE_0 +CTE_0 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 1->Column#3 + └─TableDual 1.00 root rows:1 +explain format='brief' with cte1 as (select 1), cte2 as (with cte3 as (select * from cte1) select * from cte3) select * from cte1, cte2; -- inline cte2, cte3, cannot be inlined cte1; +id estRows task access object operator info +HashJoin 1.00 root CARTESIAN inner join +├─CTEFullScan(Build) 1.00 root CTE:cte1 data:CTE_0 +└─CTEFullScan(Probe) 1.00 root CTE:cte1 data:CTE_0 +CTE_0 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 1->Column#1 + └─TableDual 1.00 root rows:1 +explain format='brief' with cte1 as (select 1), cte2 as (with cte3 as (select * from cte1) select * from cte3) select * from cte2; -- inline cte1, cte2, cte3; +id estRows task access object operator info +Projection 1.00 root 1->Column#12 +└─TableDual 1.00 root rows:1 +explain format='brief' with cte1 as (select 1), cte2 as (select * from cte1) select * from cte2 a, cte2 b; -- inline cte1, cannot be inlined cte2; +id estRows task access object operator info +HashJoin 1.00 root CARTESIAN inner join +├─CTEFullScan(Build) 1.00 root CTE:cte2 AS b data:CTE_1 +└─CTEFullScan(Probe) 1.00 root CTE:cte2 AS a data:CTE_1 +CTE_1 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 1->Column#3 + └─TableDual 1.00 root rows:1 +explain format='brief' with recursive cte(a) as (select 1 union select a from cte) select * from cte; -- recursive cte cannot be inlined; +id estRows task access object operator info +CTEFullScan 2.00 root CTE:cte data:CTE_0 +CTE_0 2.00 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#2 +│ └─TableDual 1.00 root rows:1 +└─CTETable(Recursive Part) 1.00 root Scan on CTE_0 +explain format='brief' with x as (select * from (select a from t for update) s) select * from x where a = 1; +id estRows task access object operator info +Projection 10.00 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─SelectLock 10.00 root for update 0 + └─TableReader 10.00 root data:Selection + └─Selection 10.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t.a, 1) + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +set tidb_opt_force_inline_cte=1; -- enable force inline CTE; +explain format='brief' with cte as (select 1) select * from cte union select * from cte; -- force inline cte while multi-consumer; +id estRows task access object operator info +HashAgg 2.00 root group by:Column#6, funcs:firstrow(Column#6)->Column#6 +└─Union 2.00 root + ├─Projection 1.00 root 1->Column#6 + │ └─TableDual 1.00 root rows:1 + └─Projection 1.00 root 1->Column#6 + └─TableDual 1.00 root rows:1 +set tidb_opt_force_inline_cte=0; -- disable force inline CTE; +explain format='brief' with cte as (select 1) select /*+ MERGE() */ * from cte union select * from cte; -- firstly inline cte, secondly cannot be inlined; +id estRows task access object operator info +HashAgg 2.00 root group by:Column#4, funcs:firstrow(Column#4)->Column#4 +└─Union 2.00 root + ├─CTEFullScan 1.00 root CTE:cte data:CTE_0 + └─CTEFullScan 1.00 root CTE:cte data:CTE_0 +CTE_0 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 1->Column#1 + └─TableDual 1.00 root rows:1 +explain format='brief' with a as (select 8 as id from dual),maxa as (select max(id) as max_id from a),b as (with recursive temp as (select 1 as lvl from dual union all select lvl+1 from temp, maxa where lvl < max_id)select * from temp) select * from b; -- issue #47711, maxa cannot be inlined because it contains agg and in the recursive part of cte temp; +id estRows task access object operator info +CTEFullScan 1.64 root CTE:temp data:CTE_4 +CTE_4 1.64 root Recursive CTE +├─Projection(Seed Part) 1.00 root 1->Column#14 +│ └─TableDual 1.00 root rows:1 +└─Projection(Recursive Part) 0.64 root cast(plus(Column#15, 1), bigint(1) BINARY)->Column#18 + └─HashJoin 0.64 root CARTESIAN inner join, other cond:lt(Column#15, Column#16) + ├─Selection(Build) 0.80 root not(isnull(Column#16)) + │ └─CTEFullScan 1.00 root CTE:maxa data:CTE_1 + └─Selection(Probe) 0.80 root not(isnull(Column#15)) + └─CTETable 1.00 root Scan on CTE_4 +CTE_1 1.00 root Non-Recursive CTE +└─StreamAgg(Seed Part) 1.00 root funcs:max(Column#3)->Column#4 + └─Projection 1.00 root 8->Column#3 + └─TableDual 1.00 root rows:1 +explain format='brief' with a as (select count(*) from t1), b as (select 2 as bb from a), c as (with recursive tmp as (select 1 as res from t1 union all select res+1 from tmp,b where res+1 < bb) select * from tmp) select * from c; -- inline a, cannot be inline b because b indirectly contains agg and in the recursive part of cte tmp; +id estRows task access object operator info +CTEFullScan 20000.00 root CTE:tmp data:CTE_4 +CTE_4 20000.00 root Recursive CTE +├─Projection(Seed Part) 10000.00 root 1->Column#26 +│ └─TableReader 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─Projection(Recursive Part) 10000.00 root cast(plus(Column#27, 1), bigint(1) BINARY)->Column#30 + └─HashJoin 10000.00 root CARTESIAN inner join, other cond:lt(plus(Column#27, 1), Column#28) + ├─CTEFullScan(Build) 1.00 root CTE:b data:CTE_1 + └─CTETable(Probe) 10000.00 root Scan on CTE_4 +CTE_1 1.00 root Non-Recursive CTE +└─Projection(Seed Part) 1.00 root 2->Column#8 + └─HashAgg 1.00 root funcs:count(Column#37)->Column#35 + └─TableReader 1.00 root data:HashAgg + └─HashAgg 1.00 cop[tikv] funcs:count(1)->Column#37 + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +explain format='brief' with a as (select count(*) from t1), b as (select 2 as bb from a), c as (with recursive tmp as (select bb as res from b union all select res+1 from tmp where res +1 < 10) select * from tmp) select * from c; -- inline a, b, cannot be inline tmp, c; +id estRows task access object operator info +CTEFullScan 1.80 root CTE:tmp data:CTE_4 +CTE_4 1.80 root Recursive CTE +├─Projection(Seed Part) 1.00 root 2->Column#37 +│ └─HashAgg 1.00 root funcs:count(Column#46)->Column#44 +│ └─TableReader 1.00 root data:HashAgg +│ └─HashAgg 1.00 cop[tikv] funcs:count(1)->Column#46 +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─Projection(Recursive Part) 0.80 root cast(plus(Column#38, 1), bigint(1) BINARY)->Column#40 + └─Selection 0.80 root lt(plus(Column#38, 1), 10) + └─CTETable 1.00 root Scan on CTE_4 +drop table if exists t; +create table t(a int, b int, c int, index(c)); +insert into t values (1, 1, 1), (1, 1, 3), (1, 2, 3), (2, 1, 3), (1, 2, NULL); +drop table if exists pt; +CREATE TABLE pt (a int, b int) PARTITION BY RANGE (a) ( +PARTITION p0 VALUES LESS THAN (2), +PARTITION p1 VALUES LESS THAN (100) +); +drop table if exists tc; +CREATE TABLE `tc`(`timestamp` timestamp NULL DEFAULT NULL, KEY `idx_timestamp` (`timestamp`)) PARTITION BY RANGE ( UNIX_TIMESTAMP(`timestamp`) ) (PARTITION `p2020072312` VALUES LESS THAN (1595480400),PARTITION `p2020072313` VALUES LESS THAN (1595484000)); +drop table if exists ta; +create table ta(a int); +insert into ta values(1), (1); +drop table if exists tb; +create table tb(a int); +insert into tb values(1), (1); +set session sql_mode=''; +set session tidb_hashagg_partial_concurrency=1; +set session tidb_hashagg_final_concurrency=1; +set @@tidb_partition_prune_mode='static'; +set @@session.tidb_opt_distinct_agg_push_down = 1; +set session tidb_opt_agg_push_down = 0; +set tidb_cost_model_version=2; +explain format = 'brief' select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(distinct Column#9)->Column#4 +└─Projection 16000.00 root cast(planner__core__casetest__physicalplantest__physical_plan.pt.b, decimal(10,0) BINARY)->Column#9 + └─PartitionUnion 16000.00 root + ├─HashAgg 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.pt.b, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.pt.b)->planner__core__casetest__physicalplantest__physical_plan.pt.b, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.pt.b)->planner__core__casetest__physicalplantest__physical_plan.pt.b + │ └─TableReader 8000.00 root data:HashAgg + │ └─HashAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.pt.b, + │ └─TableFullScan 10000.00 cop[tikv] table:pt, partition:p0 keep order:false, stats:pseudo + └─HashAgg 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.pt.b, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.pt.b)->planner__core__casetest__physicalplantest__physical_plan.pt.b, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.pt.b)->planner__core__casetest__physicalplantest__physical_plan.pt.b + └─TableReader 8000.00 root data:HashAgg + └─HashAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.pt.b, + └─TableFullScan 10000.00 cop[tikv] table:pt, partition:p1 keep order:false, stats:pseudo +select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt; +sum(distinct b) +NULL +explain format = 'brief' select /*+ HASH_AGG(), AGG_TO_COP() */ count(distinct a) from (select * from ta union all select * from tb) t; +id estRows task access object operator info +HashAgg 1.00 root funcs:count(distinct Column#5)->Column#6 +└─Union 20000.00 root + ├─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo + └─TableReader 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo +select /*+ HASH_AGG(), AGG_TO_COP() */ count(distinct a) from (select * from ta union all select * from tb) t; +count(distinct a) +1 +explain format = 'brief' select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ; +id estRows task access object operator info +HashAgg 16000.00 root group by:Column#5, funcs:firstrow(Column#6)->Column#3 +└─PartitionUnion 16000.00 root + ├─HashAgg 8000.00 root group by:Column#7, funcs:firstrow(Column#7)->Column#6, funcs:firstrow(Column#7)->Column#5 + │ └─IndexReader 8000.00 root index:HashAgg + │ └─HashAgg 8000.00 cop[tikv] group by:date_format(planner__core__casetest__physicalplantest__physical_plan.tc.timestamp, "%Y-%m-%d %H"), + │ └─IndexFullScan 10000.00 cop[tikv] table:tc, partition:p2020072312, index:idx_timestamp(timestamp) keep order:false, stats:pseudo + └─HashAgg 8000.00 root group by:Column#10, funcs:firstrow(Column#10)->Column#6, funcs:firstrow(Column#10)->Column#5 + └─IndexReader 8000.00 root index:HashAgg + └─HashAgg 8000.00 cop[tikv] group by:date_format(planner__core__casetest__physicalplantest__physical_plan.tc.timestamp, "%Y-%m-%d %H"), + └─IndexFullScan 10000.00 cop[tikv] table:tc, partition:p2020072313, index:idx_timestamp(timestamp) keep order:false, stats:pseudo +select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ; +tt +set session sql_mode=DEFAULT; +set session tidb_hashagg_partial_concurrency=DEFAULT; +set session tidb_hashagg_final_concurrency=DEFAULT; +set @@tidb_partition_prune_mode=DEFAULT; +set @@session.tidb_opt_distinct_agg_push_down = DEFAULT; +set session tidb_opt_agg_push_down = DEFAULT; +drop table if exists t; +create table t (a int, b int, index idx_a(a), index idx_b(b)); +insert into t values(1, 1); +insert into t values(1, 2); +insert into t values(2, 4); +insert into t values(3, 5); +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a; +id estRows task access object operator info +MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b +├─IndexReader(Build) 9990.00 root index:IndexFullScan +│ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, stats:pseudo +└─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a; +a +1 +1 +2 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a+1; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, plus(planner__core__casetest__physicalplantest__physical_plan.t.a, 1)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a+1; +a +1 +1 +2 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a-1; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, minus(planner__core__casetest__physicalplantest__physical_plan.t.a, 1)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a-1; +a +1 +1 +2 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by -t1.a; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, unaryminus(planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, desc, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, desc, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by -t1.a; +a +2 +1 +1 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by -t1.a+3; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, plus(unaryminus(planner__core__casetest__physicalplantest__physical_plan.t.a), 3)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, desc, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, desc, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by -t1.a+3; +a +2 +1 +1 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1+t1.a; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, plus(1, planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1+t1.a; +a +1 +1 +2 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1-t1.a; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, minus(1, planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, desc, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, desc, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1-t1.a; +a +2 +1 +1 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1-t1.a+3; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, plus(minus(1, planner__core__casetest__physicalplantest__physical_plan.t.a), 3)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, desc, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, desc, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1-t1.a+3; +a +2 +1 +1 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1+t1.a+3; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, plus(plus(1, planner__core__casetest__physicalplantest__physical_plan.t.a), 3)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 1+t1.a+3; +a +1 +1 +2 +explain format = 'brief' select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 3*t1.a; +id estRows task access object operator info +Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a +└─Sort 12487.50 root Column#7 + └─Projection 12487.50 root planner__core__casetest__physicalplantest__physical_plan.t.a, mul(3, planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#7 + └─MergeJoin 12487.50 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t.a, right key:planner__core__casetest__physicalplantest__physical_plan.t.b + ├─IndexReader(Build) 9990.00 root index:IndexFullScan + │ └─IndexFullScan 9990.00 cop[tikv] table:t2, index:idx_b(b) keep order:true, stats:pseudo + └─IndexReader(Probe) 9990.00 root index:IndexFullScan + └─IndexFullScan 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:true, stats:pseudo +select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by 3*t1.a; +a +1 +1 +2 +drop table if exists test.tt; +create table test.tt (a int,b int, index(a), index(b)); +insert into test.tt values (1, 1), (2, 2), (3, 4); +set @@tidb_partition_prune_mode='static'; +explain format = 'brief' select /*+nth_plan(1)*/ * from test.tt where a=1 and b=1; +id estRows task access object operator info +TableReader 0.01 root data:Selection +└─Selection 0.01 cop[tikv] eq(test.tt.a, 1), eq(test.tt.b, 1) + └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +explain format = 'brief' select /*+nth_plan(2)*/ * from test.tt where a=1 and b=1; +id estRows task access object operator info +IndexLookUp 0.01 root +├─IndexRangeScan(Build) 10.00 cop[tikv] table:tt, index:a(a) range:[1,1], keep order:false, stats:pseudo +└─Selection(Probe) 0.01 cop[tikv] eq(test.tt.b, 1) + └─TableRowIDScan 10.00 cop[tikv] table:tt keep order:false, stats:pseudo +explain format = 'brief' select /*+nth_plan(3)*/ * from test.tt where a=1 and b=1; +id estRows task access object operator info +IndexLookUp 0.01 root +├─IndexRangeScan(Build) 10.00 cop[tikv] table:tt, index:b(b) range:[1,1], keep order:false, stats:pseudo +└─Selection(Probe) 0.01 cop[tikv] eq(test.tt.a, 1) + └─TableRowIDScan 10.00 cop[tikv] table:tt keep order:false, stats:pseudo +explain format = 'brief' select /*+nth_plan(2)*/ * from test.tt where a=1 and b=1; +id estRows task access object operator info +IndexLookUp 0.01 root +├─IndexRangeScan(Build) 10.00 cop[tikv] table:tt, index:a(a) range:[1,1], keep order:false, stats:pseudo +└─Selection(Probe) 0.01 cop[tikv] eq(test.tt.b, 1) + └─TableRowIDScan 10.00 cop[tikv] table:tt keep order:false, stats:pseudo +explain format = 'brief' select * from test.tt where a=1 and b=1; +id estRows task access object operator info +IndexLookUp 0.01 root +├─IndexRangeScan(Build) 10.00 cop[tikv] table:tt, index:a(a) range:[1,1], keep order:false, stats:pseudo +└─Selection(Probe) 0.01 cop[tikv] eq(test.tt.b, 1) + └─TableRowIDScan 10.00 cop[tikv] table:tt keep order:false, stats:pseudo +set @@tidb_partition_prune_mode=DEFAULT; +drop table if exists t; +create table t(e enum('c','b','a',''), index idx(e)); +insert ignore into t values(0),(1),(2),(3),(4); +explain format='brief' select e from t where e = 'b'; +id estRows task access object operator info +IndexReader 10.00 root index:IndexRangeScan +└─IndexRangeScan 10.00 cop[tikv] table:t, index:idx(e) range:["b","b"], keep order:false, stats:pseudo +select e from t where e = 'b'; +e +b +explain format='brief' select e from t where e != 'b'; +id estRows task access object operator info +IndexReader 40.00 root index:IndexRangeScan +└─IndexRangeScan 40.00 cop[tikv] table:t, index:idx(e) range:["",""], ["c","c"], ["a","a"], ["",""], keep order:false, stats:pseudo +select e from t where e != 'b'; +e + + +a +c +explain format='brief' select e from t where e > 'b'; +id estRows task access object operator info +IndexReader 10.00 root index:IndexRangeScan +└─IndexRangeScan 10.00 cop[tikv] table:t, index:idx(e) range:["c","c"], keep order:false, stats:pseudo +select e from t where e > 'b'; +e +c +explain format='brief' select e from t where e >= 'b'; +id estRows task access object operator info +IndexReader 20.00 root index:IndexRangeScan +└─IndexRangeScan 20.00 cop[tikv] table:t, index:idx(e) range:["c","c"], ["b","b"], keep order:false, stats:pseudo +select e from t where e >= 'b'; +e +b +c +explain format='brief' select e from t where e < 'b'; +id estRows task access object operator info +IndexReader 30.00 root index:IndexRangeScan +└─IndexRangeScan 30.00 cop[tikv] table:t, index:idx(e) range:["",""], ["a","a"], ["",""], keep order:false, stats:pseudo +select e from t where e < 'b'; +e + + +a +explain format='brief' select e from t where e <= 'b'; +id estRows task access object operator info +IndexReader 40.00 root index:IndexRangeScan +└─IndexRangeScan 40.00 cop[tikv] table:t, index:idx(e) range:["",""], ["b","b"], ["a","a"], ["",""], keep order:false, stats:pseudo +select e from t where e <= 'b'; +e + + +a +b +explain format='brief' select e from t where e = 2; +id estRows task access object operator info +IndexReader 10.00 root index:IndexRangeScan +└─IndexRangeScan 10.00 cop[tikv] table:t, index:idx(e) range:["b","b"], keep order:false, stats:pseudo +select e from t where e = 2; +e +b +explain format='brief' select e from t where e != 2; +id estRows task access object operator info +IndexReader 6656.67 root index:IndexRangeScan +└─IndexRangeScan 6656.67 cop[tikv] table:t, index:idx(e) range:[-inf,"b"), ("b",+inf], keep order:false, stats:pseudo +select e from t where e != 2; +e + + +a +c +explain format='brief' select e from t where e > 2; +id estRows task access object operator info +IndexReader 3333.33 root index:IndexRangeScan +└─IndexRangeScan 3333.33 cop[tikv] table:t, index:idx(e) range:("b",+inf], keep order:false, stats:pseudo +select e from t where e > 2; +e + +a +explain format='brief' select e from t where e >= 2; +id estRows task access object operator info +IndexReader 3333.33 root index:IndexRangeScan +└─IndexRangeScan 3333.33 cop[tikv] table:t, index:idx(e) range:["b",+inf], keep order:false, stats:pseudo +select e from t where e >= 2; +e + +a +b +explain format='brief' select e from t where e < 2; +id estRows task access object operator info +IndexReader 3323.33 root index:IndexRangeScan +└─IndexRangeScan 3323.33 cop[tikv] table:t, index:idx(e) range:[-inf,"b"), keep order:false, stats:pseudo +select e from t where e < 2; +e + +c +explain format='brief' select e from t where e <= 2; +id estRows task access object operator info +IndexReader 3323.33 root index:IndexRangeScan +└─IndexRangeScan 3323.33 cop[tikv] table:t, index:idx(e) range:[-inf,"b"], keep order:false, stats:pseudo +select e from t where e <= 2; +e + +b +c +explain format='brief' select e from t where e > ''; +id estRows task access object operator info +IndexReader 30.00 root index:IndexRangeScan +└─IndexRangeScan 30.00 cop[tikv] table:t, index:idx(e) range:["c","c"], ["b","b"], ["a","a"], keep order:false, stats:pseudo +select e from t where e > ''; +e +a +b +c +explain format='brief' select e from t where e > 'd'; +id estRows task access object operator info +TableDual 0.00 root rows:0 +select e from t where e > 'd'; +e +explain format='brief' select e from t where e > -1; +id estRows task access object operator info +IndexReader 3333.33 root index:IndexRangeScan +└─IndexRangeScan 3333.33 cop[tikv] table:t, index:idx(e) range:["",+inf], keep order:false, stats:pseudo +select e from t where e > -1; +e + + +a +b +c +explain format='brief' select e from t where e > 5; +id estRows task access object operator info +IndexReader 3333.33 root index:IndexRangeScan +└─IndexRangeScan 3333.33 cop[tikv] table:t, index:idx(e) range:("",+inf], keep order:false, stats:pseudo +select e from t where e > 5; +e +explain format='brief' select e from t where e = ''; +id estRows task access object operator info +IndexReader 20.00 root index:IndexRangeScan +└─IndexRangeScan 20.00 cop[tikv] table:t, index:idx(e) range:["",""], ["",""], keep order:false, stats:pseudo +select e from t where e = ''; +e + + +explain format='brief' select e from t where e != ''; +id estRows task access object operator info +IndexReader 30.00 root index:IndexRangeScan +└─IndexRangeScan 30.00 cop[tikv] table:t, index:idx(e) range:["c","c"], ["b","b"], ["a","a"], keep order:false, stats:pseudo +select e from t where e != ''; +e +a +b +c +drop table if exists PK_S_MULTI_31; +CREATE TABLE `PK_S_MULTI_31` ( +`COL1` tinyint(45) NOT NULL, +`COL2` tinyint(45) NOT NULL, +PRIMARY KEY (`COL1`,`COL2`) /*T![clustered_index] NONCLUSTERED */ +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin; +insert into PK_S_MULTI_31 values(122,100),(124,-22),(124,34),(127,103); +explain format='brief' SELECT col2 FROM PK_S_MULTI_31 AS T1 WHERE (SELECT count(DISTINCT COL1, COL2) FROM PK_S_MULTI_31 AS T2 WHERE T2.COL1>T1.COL1)>2 order by col2; +id estRows task access object operator info +Sort 0.80 root planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col2 +└─Projection 0.80 root planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col2 + └─Selection 0.80 root gt(Column#7, 2) + └─HashAgg 1.00 root group by:planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col1, planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col2, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col2)->planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col2, funcs:count(distinct planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col1, planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col2)->Column#7 + └─HashJoin 100000000.00 root CARTESIAN left outer join, other cond:gt(planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col1, planner__core__casetest__physicalplantest__physical_plan.pk_s_multi_31.col1) + ├─IndexReader(Build) 10000.00 root index:IndexFullScan + │ └─IndexFullScan 10000.00 cop[tikv] table:T2, index:PRIMARY(COL1, COL2) keep order:false, stats:pseudo + └─IndexReader(Probe) 10000.00 root index:IndexFullScan + └─IndexFullScan 10000.00 cop[tikv] table:T1, index:PRIMARY(COL1, COL2) keep order:false, stats:pseudo +SELECT col2 FROM PK_S_MULTI_31 AS T1 WHERE (SELECT count(DISTINCT COL1, COL2) FROM PK_S_MULTI_31 AS T2 WHERE T2.COL1>T1.COL1)>2 order by col2; +col2 +100 +drop table if exists t1, t2; +create table t1(a int, b int as (a+1) virtual); +create table t2(a int, b int as (a+1) virtual, c int, key idx_a(a)); +## Make sure row_count(tikv_selection) == row_count(table_reader) and row_count(table_reader) > row_count(tidb_selection) +explain format='brief' select * from t1 where a > 1 and b > 1; +id estRows task access object operator info +Selection 1111.11 root gt(planner__core__casetest__physicalplantest__physical_plan.t1.b, 1) +└─TableReader 3333.33 root data:Selection + └─Selection 3333.33 cop[tikv] gt(planner__core__casetest__physicalplantest__physical_plan.t1.a, 1) + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +## Make sure row_count(tikv_selection) == row_count(index_lookup) and row_count(index_lookup) > row_count(tidb_selection) +explain format='brief' select * from t2 use index(idx_a) where a > 1 and b > 1 and c > 1; +id estRows task access object operator info +Selection 370.37 root gt(planner__core__casetest__physicalplantest__physical_plan.t2.b, 1) +└─IndexLookUp 1111.11 root + ├─IndexRangeScan(Build) 3333.33 cop[tikv] table:t2, index:idx_a(a) range:(1,+inf], keep order:false, stats:pseudo + └─Selection(Probe) 1111.11 cop[tikv] gt(planner__core__casetest__physicalplantest__physical_plan.t2.c, 1) + └─TableRowIDScan 3333.33 cop[tikv] table:t2 keep order:false, stats:pseudo +drop table if exists t; +create table t(a int); +explain format='brief' select * from t where t.a < 3 and t.a < 3; +id estRows task access object operator info +TableReader 3323.33 root data:Selection +└─Selection 3323.33 cop[tikv] lt(planner__core__casetest__physicalplantest__physical_plan.t.a, 3) + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +set tidb_cost_model_version=2; +drop table if exists t; +CREATE TABLE `t` (`a` int(11), `b` int(11), `c` int(11), `d` date); +insert into t (a,b,c,d) value(1,4,5,'2019-06-01'); +insert into t (a,b,c,d) value(2,null,1,'2019-07-01'); +insert into t (a,b,c,d) value(3,4,5,'2019-08-01'); +insert into t (a,b,c,d) value(3,6,2,'2019-09-01'); +insert into t (a,b,c,d) value(10,4,null,'2020-06-01'); +insert into t (a,b,c,d) value(20,null,1,'2020-07-01'); +insert into t (a,b,c,d) value(30,4,5,'2020-08-01'); +insert into t (a,b,c,d) value(30,6,5,'2020-09-01'); +select date_format(d,'%Y') as df, sum(a), count(b), count(distinct c) from t group by date_format(d,'%Y') order by df; +df sum(a) count(b) count(distinct c) +2019 9 3 3 +2020 90 3 2 +set @@tidb_opt_skew_distinct_agg=1; +select date_format(d,'%Y') as df, sum(a), count(b), count(distinct c) from t group by date_format(d,'%Y') order by df; +df sum(a) count(b) count(distinct c) +2019 9 3 3 +2020 90 3 2 +select count(distinct b), sum(c) from t group by a order by 1,2; +count(distinct b) sum(c) +0 1 +0 1 +1 NULL +1 5 +2 7 +2 10 +select count(distinct b) from t group by date_format(d,'%Y') order by 1; +count(distinct b) +2 +2 +select count(a), count(distinct b), max(b) from t group by date_format(d,'%Y') order by 1,2,3; +count(a) count(distinct b) max(b) +4 2 6 +4 2 6 +select count(a), count(distinct b), max(b) from t group by date_format(d,'%Y'),c order by 1,2,3; +count(a) count(distinct b) max(b) +1 0 NULL +1 0 NULL +1 1 4 +1 1 6 +2 1 4 +2 2 6 +select avg(distinct b), count(a), sum(b) from t group by date_format(d,'%Y'),c order by 1,2,3; +avg(distinct b) count(a) sum(b) +NULL 1 NULL +NULL 1 NULL +4.0000 1 4 +4.0000 2 8 +5.0000 2 10 +6.0000 1 6 +explain format='brief' select date_format(d,'%Y') as df, sum(a), count(b), count(distinct c) from t group by date_format(d,'%Y'); +id estRows task access object operator info +Projection 8000.00 root date_format(planner__core__casetest__physicalplantest__physical_plan.t.d, %Y)->Column#9, Column#6, cast(Column#13, bigint(21) BINARY)->Column#7, Column#8 +└─HashAgg 8000.00 root group by:Column#23, funcs:sum(Column#19)->Column#6, funcs:sum(Column#20)->Column#13, funcs:count(Column#21)->Column#8, funcs:firstrow(Column#22)->planner__core__casetest__physicalplantest__physical_plan.t.d + └─Projection 8000.00 root Column#11->Column#19, cast(Column#12, decimal(20,0) BINARY)->Column#20, planner__core__casetest__physicalplantest__physical_plan.t.c->Column#21, planner__core__casetest__physicalplantest__physical_plan.t.d->Column#22, date_format(planner__core__casetest__physicalplantest__physical_plan.t.d, %Y)->Column#23 + └─HashAgg 8000.00 root group by:Column#14, planner__core__casetest__physicalplantest__physical_plan.t.c, funcs:sum(Column#15)->Column#11, funcs:count(Column#16)->Column#12, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.c)->planner__core__casetest__physicalplantest__physical_plan.t.c, funcs:firstrow(Column#18)->planner__core__casetest__physicalplantest__physical_plan.t.d + └─TableReader 8000.00 root data:HashAgg + └─HashAgg 8000.00 cop[tikv] group by:date_format(planner__core__casetest__physicalplantest__physical_plan.t.d, "%Y"), planner__core__casetest__physicalplantest__physical_plan.t.c, funcs:sum(planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#15, funcs:count(planner__core__casetest__physicalplantest__physical_plan.t.b)->Column#16, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.d)->Column#18 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format='brief' select d, a, count(*), count(b), count(distinct c) from t group by d, a; +id estRows task access object operator info +Projection 8000.00 root planner__core__casetest__physicalplantest__physical_plan.t.d, planner__core__casetest__physicalplantest__physical_plan.t.a, cast(Column#10, bigint(21) BINARY)->Column#6, cast(Column#12, bigint(21) BINARY)->Column#7, Column#8 +└─HashAgg 8000.00 root group by:Column#23, Column#24, funcs:sum(Column#18)->Column#10, funcs:sum(Column#19)->Column#12, funcs:count(Column#20)->Column#8, funcs:firstrow(Column#21)->planner__core__casetest__physicalplantest__physical_plan.t.a, funcs:firstrow(Column#22)->planner__core__casetest__physicalplantest__physical_plan.t.d + └─Projection 8000.00 root cast(Column#9, decimal(20,0) BINARY)->Column#18, cast(Column#11, decimal(20,0) BINARY)->Column#19, planner__core__casetest__physicalplantest__physical_plan.t.c->Column#20, planner__core__casetest__physicalplantest__physical_plan.t.a->Column#21, planner__core__casetest__physicalplantest__physical_plan.t.d->Column#22, planner__core__casetest__physicalplantest__physical_plan.t.d->Column#23, planner__core__casetest__physicalplantest__physical_plan.t.a->Column#24 + └─HashAgg 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.c, planner__core__casetest__physicalplantest__physical_plan.t.d, funcs:count(Column#13)->Column#9, funcs:count(Column#14)->Column#11, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.c)->planner__core__casetest__physicalplantest__physical_plan.t.c, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.a)->planner__core__casetest__physicalplantest__physical_plan.t.a, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.d)->planner__core__casetest__physicalplantest__physical_plan.t.d + └─TableReader 8000.00 root data:HashAgg + └─HashAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.c, planner__core__casetest__physicalplantest__physical_plan.t.d, funcs:count(1)->Column#13, funcs:count(planner__core__casetest__physicalplantest__physical_plan.t.b)->Column#14 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format='brief' select d, sum(a), count(b), avg(distinct c) from t group by d; +id estRows task access object operator info +Projection 8000.00 root planner__core__casetest__physicalplantest__physical_plan.t.d, Column#6, cast(Column#11, bigint(21) BINARY)->Column#7, Column#8 +└─HashAgg 8000.00 root group by:Column#20, funcs:sum(Column#16)->Column#6, funcs:sum(Column#17)->Column#11, funcs:avg(Column#18)->Column#8, funcs:firstrow(Column#19)->planner__core__casetest__physicalplantest__physical_plan.t.d + └─Projection 8000.00 root Column#9->Column#16, cast(Column#10, decimal(20,0) BINARY)->Column#17, cast(planner__core__casetest__physicalplantest__physical_plan.t.c, decimal(10,0) BINARY)->Column#18, planner__core__casetest__physicalplantest__physical_plan.t.d->Column#19, planner__core__casetest__physicalplantest__physical_plan.t.d->Column#20 + └─HashAgg 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t.c, planner__core__casetest__physicalplantest__physical_plan.t.d, funcs:sum(Column#12)->Column#9, funcs:count(Column#13)->Column#10, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.c)->planner__core__casetest__physicalplantest__physical_plan.t.c, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.d)->planner__core__casetest__physicalplantest__physical_plan.t.d + └─TableReader 8000.00 root data:HashAgg + └─HashAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t.c, planner__core__casetest__physicalplantest__physical_plan.t.d, funcs:sum(planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#12, funcs:count(planner__core__casetest__physicalplantest__physical_plan.t.b)->Column#13 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +set tidb_cost_model_version=DEFAULT; +set @@tidb_opt_skew_distinct_agg=DEFAULT; +set tidb_cost_model_version=2; +drop table if exists t1, t2, t3; +create table t1(a int primary key, b int not null); +create table t2(a int primary key, b int not null); +create table t3(a int primary key, b int not null); +insert into t1 values(1,1),(2,2); +insert into t2 values(1,1),(2,1); +insert into t3 values(1,1),(2,1); +explain format = 'brief' select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t2), hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2), hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2), hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2), hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 left join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +2 NULL +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root right outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +NULL 2 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root right outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +NULL 2 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root right outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +NULL 2 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root right outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 right join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +NULL 2 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 straight_join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 cross join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +a b +1 1 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t1) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +a b +1 1 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t2@sel_2) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2@sel_2) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +a b +1 1 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t2@sel_2) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2@sel_2) */ * from t1 where t1.a in (select t2.a from t2 where t1.b = t2.b); +a b +1 1 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t1) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root anti semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +a b +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t1) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root anti semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +a b +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t2@sel_2) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root anti semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2@sel_2) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +a b +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t2@sel_2) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +id estRows task access object operator info +HashJoin 8000.00 root anti semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2@sel_2) */ * from t1 where t1.a not in (select t2.a from t2 where t1.b = t2.b); +a b +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t1) */ sum(t1.a in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_build(t1) */ sum(t1.a in (select a from t2)) from t1; +sum(t1.a in (select a from t2)) +2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t1) */ sum(t1.a in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_probe(t1) */ sum(t1.a in (select a from t2)) from t1; +sum(t1.a in (select a from t2)) +2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t2@sel_2) */ sum(t1.a in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_build(t2@sel_2) */ sum(t1.a in (select a from t2)) from t1; +sum(t1.a in (select a from t2)) +2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t2@sel_2) */ sum(t1.a in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_probe(t2@sel_2) */ sum(t1.a in (select a from t2)) from t1; +sum(t1.a in (select a from t2)) +2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t1) */ sum(t1.a not in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root anti left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_build(t1) */ sum(t1.a not in (select a from t2)) from t1; +sum(t1.a not in (select a from t2)) +0 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t1) */ sum(t1.a not in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root anti left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_probe(t1) */ sum(t1.a not in (select a from t2)) from t1; +sum(t1.a not in (select a from t2)) +0 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_build(t2@sel_2) */ sum(t1.a not in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root anti left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_build(t2@sel_2) */ sum(t1.a not in (select a from t2)) from t1; +sum(t1.a not in (select a from t2)) +0 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t2@sel_2) */ sum(t1.a not in (select a from t2)) from t1; +id estRows task access object operator info +HashAgg 1.00 root funcs:sum(Column#9)->Column#8 +└─Projection 10000.00 root cast(Column#7, decimal(3,0) BINARY)->Column#9 + └─MergeJoin 10000.00 root anti left outer semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +select /*+ hash_join_probe(t2@sel_2) */ sum(t1.a not in (select a from t2)) from t1; +sum(t1.a not in (select a from t2)) +0 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for anti left outer semi join, please check the hint +explain format = 'brief' select /*+ hash_join_probe(t2, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 There are no matching table names for (t2) in optimizer hint /*+ HASH_JOIN_PROBE(t2, t2) */. Maybe you can use the table alias name +explain format = 'brief' select /*+ hash_join_build(t1, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 There are no matching table names for (t1) in optimizer hint /*+ HASH_JOIN_BUILD(t1, t1) */. Maybe you can use the table alias name +explain format = 'brief' select /*+ hash_join_probe(tt) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(tt) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 There are no matching table names for (tt) in optimizer hint /*+ HASH_JOIN_PROBE(tt) */. Maybe you can use the table alias name +explain format = 'brief' select /*+ hash_join_build(tt) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(tt) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 There are no matching table names for (tt) in optimizer hint /*+ HASH_JOIN_BUILD(tt) */. Maybe you can use the table alias name +explain format = 'brief' select /*+ hash_join_probe(tt) */ tt.a, t2.a from t1 as tt join t2 on tt.a=t2.a and tt.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +select /*+ hash_join_probe(tt) */ tt.a, t2.a from t1 as tt join t2 on tt.a=t2.a and tt.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(tt) */ tt.a, t2.a from t1 as tt join t2 on tt.a=t2.a and tt.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(tt) */ tt.a, t2.a from t1 as tt join t2 on tt.a=t2.a and tt.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t2, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t1) hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t2) hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t1) leading(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) leading(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) leading(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +Projection 15625.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a +└─HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo + └─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.a) eq(planner__core__casetest__physicalplantest__physical_plan.t2.b, planner__core__casetest__physicalplantest__physical_plan.t1.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) leading(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) leading(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) leading(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) leading(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +Projection 15625.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a +└─HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo + └─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.a) eq(planner__core__casetest__physicalplantest__physical_plan.t2.b, planner__core__casetest__physicalplantest__physical_plan.t1.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) leading(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_probe(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +id estRows task access object operator info +HashJoin 15625.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─HashJoin(Probe) 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) straight_join() */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b join t3 on t2.a = t3.a; +a a +1 1 +show warnings; +Level Code Message +explain format = 'brief' select /*+ hash_join_build(t2) hash_join(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) hash_join(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t2) hash_join(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) hash_join(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t2) hash_join(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) hash_join(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t2) hash_join(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) hash_join(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t2) hash_join(t2, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) hash_join(t2, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t2) hash_join(t2, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) hash_join(t2, t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t2) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t2) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t1) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t1) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) INL_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t2) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t2) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints conflict after join reorder phase, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t1) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t1) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) INL_HASH_JOIN(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t2) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t2) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_build(t1) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' select /*+ hash_join_probe(t1) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) merge_join(t1, t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +show warnings; +Level Code Message +Warning 1815 Join hints are conflict, you can only specify one type of join +explain format = 'brief' SELECT * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_probe(t1) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ hash_join_probe(t1) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ hash_join_probe(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ hash_join_probe(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ hash_join_probe(t1) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +HashJoin 10000.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─StreamAgg(Build) 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t2.a)->planner__core__casetest__physicalplantest__physical_plan.t2.a +│ └─TableReader 8000.00 root data:StreamAgg +│ └─StreamAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +SELECT /*+ hash_join_probe(t1) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_probe(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +HashJoin 10000.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─StreamAgg(Probe) 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t2.a)->planner__core__casetest__physicalplantest__physical_plan.t2.a + └─TableReader 8000.00 root data:StreamAgg + └─StreamAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +SELECT /*+ hash_join_probe(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_build(t1) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ hash_join_build(t1) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ hash_join_build(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ hash_join_build(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ hash_join_build(t1) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +HashJoin 10000.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─StreamAgg(Probe) 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t2.a)->planner__core__casetest__physicalplantest__physical_plan.t2.a + └─TableReader 8000.00 root data:StreamAgg + └─StreamAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +SELECT /*+ hash_join_build(t1) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_build(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +id estRows task access object operator info +HashJoin 10000.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─StreamAgg(Build) 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t2.a)->planner__core__casetest__physicalplantest__physical_plan.t2.a +│ └─TableReader 8000.00 root data:StreamAgg +│ └─StreamAgg 8000.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t2.a, +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +SELECT /*+ hash_join_build(t2@sel_2) */ * FROM t1 WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t2 WHERE t2.a = t1.a); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 12500.00 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_build(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +SELECT /*+ hash_join_build(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_probe(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +SELECT /*+ hash_join_probe(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_build(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +SELECT /*+ hash_join_build(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ hash_join_probe(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +SELECT /*+ hash_join_probe(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(TRUE) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 12500.00 root inner join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ USE_TOJA(TRUE) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(TRUE) hash_join_build(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +SELECT /*+ USE_TOJA(TRUE) hash_join_build(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(TRUE) hash_join_probe(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +SELECT /*+ USE_TOJA(TRUE) hash_join_probe(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(TRUE) hash_join_build(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +SELECT /*+ USE_TOJA(TRUE) hash_join_build(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(TRUE) hash_join_probe(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +SELECT /*+ USE_TOJA(TRUE) hash_join_probe(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(false) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ USE_TOJA(false) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +explain format = 'brief' SELECT /*+ USE_TOJA(false) hash_join_build(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ USE_TOJA(false) hash_join_build(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ USE_TOJA(false) hash_join_probe(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ USE_TOJA(false) hash_join_probe(t1) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ USE_TOJA(false) hash_join_build(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ USE_TOJA(false) hash_join_build(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +explain format = 'brief' SELECT /*+ USE_TOJA(false) hash_join_probe(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +id estRows task access object operator info +MergeJoin 8000.00 root semi join, left key:planner__core__casetest__physicalplantest__physical_plan.t1.a, right key:planner__core__casetest__physicalplantest__physical_plan.t2.a +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo +SELECT /*+ USE_TOJA(false) hash_join_probe(t2@sel_2) */ t1.a, t1.b FROM t1 WHERE t1.a in (SELECT t2.a FROM t2); +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 We can't use the HASH_JOIN_BUILD or HASH_JOIN_PROBE hint for semi join, please check the hint +set tidb_cost_model_version=DEFAULT; +set tidb_cost_model_version=2; +drop table if exists t1, t2, t3; +create table t1(a int, b int) partition by hash(a) partitions 4; +create table t2(a int, b int) partition by hash(a) partitions 5; +create table t3(a int, b int) partition by hash(b) partitions 3; +insert into t1 values(1,1),(2,2); +insert into t2 values(1,1),(2,1); +insert into t3 values(1,1),(2,1); +set @@tidb_partition_prune_mode="static"; +explain format = 'brief' select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 49900.05 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─PartitionUnion(Build) 49900.05 root +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p0 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p1 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p2 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p3 keep order:false, stats:pseudo +│ └─TableReader 9980.01 root data:Selection +│ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p4 keep order:false, stats:pseudo +└─PartitionUnion(Probe) 39920.04 root + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p0 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p1 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p2 keep order:false, stats:pseudo + └─TableReader 9980.01 root data:Selection + └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p3 keep order:false, stats:pseudo +select /*+ hash_join_build(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +explain format = 'brief' select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 49900.05 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─PartitionUnion(Build) 39920.04 root +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p0 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p1 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p2 keep order:false, stats:pseudo +│ └─TableReader 9980.01 root data:Selection +│ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p3 keep order:false, stats:pseudo +└─PartitionUnion(Probe) 49900.05 root + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p0 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p1 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p2 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p3 keep order:false, stats:pseudo + └─TableReader 9980.01 root data:Selection + └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p4 keep order:false, stats:pseudo +select /*+ hash_join_probe(t2) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +explain format = 'brief' select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 49900.05 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─PartitionUnion(Build) 39920.04 root +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p0 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p1 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p2 keep order:false, stats:pseudo +│ └─TableReader 9980.01 root data:Selection +│ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) +│ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p3 keep order:false, stats:pseudo +└─PartitionUnion(Probe) 49900.05 root + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p0 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p1 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p2 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p3 keep order:false, stats:pseudo + └─TableReader 9980.01 root data:Selection + └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p4 keep order:false, stats:pseudo +select /*+ hash_join_build(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +explain format = 'brief' select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +id estRows task access object operator info +HashJoin 49900.05 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─PartitionUnion(Build) 49900.05 root +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p0 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p1 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p2 keep order:false, stats:pseudo +│ ├─TableReader 9980.01 root data:Selection +│ │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ │ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p3 keep order:false, stats:pseudo +│ └─TableReader 9980.01 root data:Selection +│ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ └─TableFullScan 10000.00 cop[tikv] table:t2, partition:p4 keep order:false, stats:pseudo +└─PartitionUnion(Probe) 39920.04 root + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p0 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p1 keep order:false, stats:pseudo + ├─TableReader 9980.01 root data:Selection + │ └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p2 keep order:false, stats:pseudo + └─TableReader 9980.01 root data:Selection + └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + └─TableFullScan 10000.00 cop[tikv] table:t1, partition:p3 keep order:false, stats:pseudo +select /*+ hash_join_probe(t1) */ t1.a, t2.a from t1 join t2 on t1.a=t2.a and t1.b=t2.b; +a a +1 1 +set tidb_cost_model_version=DEFAULT; +set @@tidb_partition_prune_mode=DEFAULT; +set tidb_cost_model_version=2; +drop table if exists t1, t2, t3, ta, tb, tc, td; +create table t1(a int, b int); +create table t2(a int primary key, b int); +create table t3(a int, b int); +insert into t1 values(1,1),(2,2); +insert into t2 values(1,1),(2,1); +insert into t3 values(1,1),(2,1); +create table ta(id int, code int, name varchar(20), index idx_ta_id(id),index idx_ta_name(name), index idx_ta_code(code)); +create table tb(id int, code int, name varchar(20), index idx_tb_id(id),index idx_tb_name(name)); +create table tc(id int, code int, name varchar(20), index idx_tc_id(id),index idx_tc_name(name)); +create table td(id int, code int, name varchar(20), index idx_tc_id(id),index idx_tc_name(name)); +explain format = 'brief' select /*+ no_decorrelate() */ * from t1; +id estRows task access object operator info +TableReader 10000.00 root data:TableFullScan +└─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select /*+ no_decorrelate() */ * from t1; +a b +1 1 +2 2 +show warnings; +Level Code Message +Warning 1815 NO_DECORRELATE() is inapplicable because it's not in an IN subquery, an EXISTS subquery, an ANY/ALL/SOME subquery or a scalar subquery. +explain format = 'brief' select * from t1, (select /*+ no_decorrelate() */ * from t2) n; +id estRows task access object operator info +HashJoin 100000000.00 root CARTESIAN inner join +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select * from t1, (select /*+ no_decorrelate() */ * from t2) n; +a b a b +1 1 1 1 +1 1 2 1 +2 2 1 1 +2 2 2 1 +show warnings; +Level Code Message +Warning 1815 NO_DECORRELATE() is inapplicable because it's not in an IN subquery, an EXISTS subquery, an ANY/ALL/SOME subquery or a scalar subquery. +explain format = 'brief' select a+1, b-1 from (select /*+ no_decorrelate() */ * from t1) n; +id estRows task access object operator info +Projection 10000.00 root plus(planner__core__casetest__physicalplantest__physical_plan.t1.a, 1)->Column#4, minus(planner__core__casetest__physicalplantest__physical_plan.t1.b, 1)->Column#5 +└─TableReader 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select a+1, b-1 from (select /*+ no_decorrelate() */ * from t1) n; +a+1 b-1 +2 0 +3 1 +show warnings; +Level Code Message +Warning 1815 NO_DECORRELATE() is inapplicable because it's not in an IN subquery, an EXISTS subquery, an ANY/ALL/SOME subquery or a scalar subquery. +explain format = 'brief' select exists (select /*+ semi_join_rewrite(), no_decorrelate() */ * from t1 where t1.a=t3.a) from t3; +id estRows task access object operator info +HashJoin 10000.00 root left outer semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t3.a, planner__core__casetest__physicalplantest__physical_plan.t1.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +select exists (select /*+ semi_join_rewrite(), no_decorrelate() */ * from t1 where t1.a=t3.a) from t3; +exists (select /*+ semi_join_rewrite(), no_decorrelate() * from t1 where t1.a=t3.a) +1 +1 +show warnings; +Level Code Message +Warning 1815 NO_DECORRELATE() and SEMI_JOIN_REWRITE() are in conflict. Both will be ineffective. +explain format = 'brief' select t1.a from t1 where t1.a in (select t2.b from t2 where t2.a = t1.b); +id estRows task access object operator info +HashJoin 7984.01 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.a) eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.b)] +├─TableReader(Build) 9990.00 root data:Selection +│ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 9980.01 root data:Selection + └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.b)) + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select t1.a from t1 where t1.a in (select t2.b from t2 where t2.a = t1.b); +a +1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a from t1 where t1.a in (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b); +id estRows task access object operator info +Projection 9990.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a +└─Apply 9990.00 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.b)] + ├─TableReader(Build) 9990.00 root data:Selection + │ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a)) + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader(Probe) 99800.10 root data:Selection + └─Selection 99800.10 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b)) + └─TableRangeScan 9990.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a from t1 where t1.a in (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b); +a +1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a from t1 where t1.a = any (select t2.b from t2 where t2.a = t1.b); +id estRows task access object operator info +Projection 8000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a +└─Selection 8000.00 root Column#6 + └─HashJoin 10000.00 root left outer semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.a)], other cond:eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.b) + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select t1.a from t1 where t1.a = any (select t2.b from t2 where t2.a = t1.b); +a +1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a from t1 where t1.a = any (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b); +id estRows task access object operator info +Projection 8000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a +└─Selection 8000.00 root Column#6 + └─Apply 10000.00 root CARTESIAN left outer semi join, other cond:eq(planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.b) + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a from t1 where t1.a = any (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b); +a +1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, t1.a != any (select t2.b from t2 where t2.a = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, and(or(or(gt(Column#9, 1), ne(planner__core__casetest__physicalplantest__physical_plan.t1.a, Column#8)), if(ne(Column#10, 0), , 0)), and(ne(Column#11, 0), if(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a), , 1)))->Column#12 +└─Apply 10000.00 root CARTESIAN inner join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─StreamAgg(Probe) 10000.00 root funcs:max(Column#14)->Column#8, funcs:count(distinct Column#15)->Column#9, funcs:sum(Column#16)->Column#10, funcs:count(1)->Column#11 + └─Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t2.b->Column#14, planner__core__casetest__physicalplantest__physical_plan.t2.b->Column#15, cast(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b), decimal(20,0) BINARY)->Column#16 + └─TableReader 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a, t1.a != any (select t2.b from t2 where t2.a = t1.b) from t1; +a t1.a != any (select t2.b from t2 where t2.a = t1.b) +1 0 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, t1.a != any (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, and(or(or(gt(Column#9, 1), ne(planner__core__casetest__physicalplantest__physical_plan.t1.a, Column#8)), if(ne(Column#10, 0), , 0)), and(ne(Column#11, 0), if(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a), , 1)))->Column#12 +└─Apply 10000.00 root CARTESIAN inner join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─StreamAgg(Probe) 10000.00 root funcs:max(Column#14)->Column#8, funcs:count(distinct Column#15)->Column#9, funcs:sum(Column#16)->Column#10, funcs:count(1)->Column#11 + └─Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t2.b->Column#14, planner__core__casetest__physicalplantest__physical_plan.t2.b->Column#15, cast(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b), decimal(20,0) BINARY)->Column#16 + └─TableReader 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a, t1.a != any (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b) from t1; +a t1.a != any (select /*+ no_decorrelate() t2.b from t2 where t2.a = t1.b) +1 0 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, t1.a > all (select t2.b from t2 where t2.a = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, or(and(gt(planner__core__casetest__physicalplantest__physical_plan.t1.a, Column#8), if(ne(Column#9, 0), , 1)), or(eq(Column#10, 0), if(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a), , 0)))->Column#11 +└─Apply 10000.00 root CARTESIAN inner join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─StreamAgg(Probe) 10000.00 root funcs:max(Column#19)->Column#8, funcs:sum(Column#20)->Column#9, funcs:count(1)->Column#10 + └─Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t2.b->Column#19, cast(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b), decimal(20,0) BINARY)->Column#20 + └─TableReader 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a, t1.a > all (select t2.b from t2 where t2.a = t1.b) from t1; +a t1.a > all (select t2.b from t2 where t2.a = t1.b) +1 0 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, t1.a > all (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, or(and(gt(planner__core__casetest__physicalplantest__physical_plan.t1.a, Column#8), if(ne(Column#9, 0), , 1)), or(eq(Column#10, 0), if(isnull(planner__core__casetest__physicalplantest__physical_plan.t1.a), , 0)))->Column#11 +└─Apply 10000.00 root CARTESIAN inner join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─StreamAgg(Probe) 10000.00 root funcs:max(Column#19)->Column#8, funcs:sum(Column#20)->Column#9, funcs:count(1)->Column#10 + └─Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t2.b->Column#19, cast(isnull(planner__core__casetest__physicalplantest__physical_plan.t2.b), decimal(20,0) BINARY)->Column#20 + └─TableReader 10000.00 root data:TableRangeScan + └─TableRangeScan 10000.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a, t1.a > all (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b) from t1; +a t1.a > all (select /*+ no_decorrelate() t2.b from t2 where t2.a = t1.b) +1 0 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, (select t2.b from t2 where t2.a = t1.b) from t1; +id estRows task access object operator info +HashJoin 12500.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t2.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select t1.a, (select t2.b from t2 where t2.a = t1.b) from t1; +a (select t2.b from t2 where t2.a = t1.b) +1 1 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, planner__core__casetest__physicalplantest__physical_plan.t2.b +└─Apply 10000.00 root CARTESIAN left outer join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─MaxOneRow(Probe) 10000.00 root + └─TableReader 2000.00 root data:TableRangeScan + └─TableRangeScan 2000.00 cop[tikv] table:t2 range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, planner__core__casetest__physicalplantest__physical_plan.t1.b)], keep order:false, stats:pseudo +select t1.a, (select /*+ no_decorrelate() */ t2.b from t2 where t2.a = t1.b) from t1; +a (select /*+ no_decorrelate() t2.b from t2 where t2.a = t1.b) +1 1 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, t1.b not in (select t3.b from t3) from t1; +id estRows task access object operator info +HashJoin 10000.00 root Null-aware anti left outer semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t3.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select t1.a, t1.b not in (select t3.b from t3) from t1; +a t1.b not in (select t3.b from t3) +1 0 +2 1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, t1.b not in (select /*+ no_decorrelate() */ t3.b from t3) from t1; +id estRows task access object operator info +HashJoin 10000.00 root Null-aware anti left outer semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t3.b)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select t1.a, t1.b not in (select /*+ no_decorrelate() */ t3.b from t3) from t1; +a t1.b not in (select /*+ no_decorrelate() t3.b from t3) +1 0 +2 1 +show warnings; +Level Code Message +Warning 1815 NO_DECORRELATE() is inapplicable because there are no correlated columns. +explain format = 'brief' select exists (select t3.b from t3 where t3.a = t1.b limit 2) from t1; +id estRows task access object operator info +HashJoin 10000.00 root left outer semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t3.a)] +├─TableReader(Build) 10000.00 root data:TableFullScan +│ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select exists (select t3.b from t3 where t3.a = t1.b limit 2) from t1; +exists (select t3.b from t3 where t3.a = t1.b limit 2) +1 +1 +show warnings; +Level Code Message +explain format = 'brief' select exists (select /*+ no_decorrelate() */ t3.b from t3 where t3.a = t1.b limit 2) from t1; +id estRows task access object operator info +Projection 10000.00 root Column#10 +└─Apply 10000.00 root CARTESIAN left outer semi join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─Limit(Probe) 20000.00 root offset:0, count:2 + └─TableReader 20000.00 root data:Limit + └─Limit 20000.00 cop[tikv] offset:0, count:2 + └─Selection 20000.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t3.a, planner__core__casetest__physicalplantest__physical_plan.t1.b) + └─TableFullScan 20000000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +select exists (select /*+ no_decorrelate() */ t3.b from t3 where t3.a = t1.b limit 2) from t1; +exists (select /*+ no_decorrelate() t3.b from t3 where t3.a = t1.b limit 2) +1 +1 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, (select sum(t1.a) from t2 where t2.a = 10) from t1; +id estRows task access object operator info +Projection 1.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, Column#6->Column#11 +└─HashJoin 1.00 root CARTESIAN left outer join + ├─Point_Get(Build) 1.00 root table:t2 handle:10 + └─HashAgg(Probe) 1.00 root funcs:sum(Column#13)->Column#6, funcs:firstrow(Column#14)->planner__core__casetest__physicalplantest__physical_plan.t1.a + └─TableReader 1.00 root data:HashAgg + └─HashAgg 1.00 cop[tikv] funcs:sum(planner__core__casetest__physicalplantest__physical_plan.t1.a)->Column#13, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t1.a)->Column#14 + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select t1.a, (select sum(t1.a) from t2 where t2.a = 10) from t1; +a (select sum(t1.a) from t2 where t2.a = 10) +1 3 +show warnings; +Level Code Message +explain format = 'brief' select t1.a, (select /*+ no_decorrelate() */ sum(t1.a) from t2 where t2.a = 10) from t1; +id estRows task access object operator info +Projection 1.00 root planner__core__casetest__physicalplantest__physical_plan.t1.a, Column#9->Column#11 +└─Apply 1.00 root CARTESIAN left outer join + ├─HashAgg(Build) 1.00 root funcs:sum(Column#14)->Column#6, funcs:firstrow(Column#15)->planner__core__casetest__physicalplantest__physical_plan.t1.a + │ └─Projection 10000.00 root cast(planner__core__casetest__physicalplantest__physical_plan.t1.a, decimal(10,0) BINARY)->Column#14, planner__core__casetest__physicalplantest__physical_plan.t1.a->Column#15 + │ └─TableReader 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─MaxOneRow(Probe) 1.00 root + └─Projection 1.00 root Column#6->Column#9 + └─Point_Get 1.00 root table:t2 handle:10 +select t1.a, (select /*+ no_decorrelate() */ sum(t1.a) from t2 where t2.a = 10) from t1; +a (select /*+ no_decorrelate() sum(t1.a) from t2 where t2.a = 10) +1 NULL +show warnings; +Level Code Message +explain format = 'brief' select (select count(t3.a) from t3 where t3.b = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root ifnull(Column#10, 0)->Column#10 +└─HashJoin 10000.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t1.b, planner__core__casetest__physicalplantest__physical_plan.t3.b)] + ├─HashAgg(Build) 7992.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t3.b, funcs:count(Column#11)->Column#10, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t3.b)->planner__core__casetest__physicalplantest__physical_plan.t3.b + │ └─TableReader 7992.00 root data:HashAgg + │ └─HashAgg 7992.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.t3.b, funcs:count(planner__core__casetest__physicalplantest__physical_plan.t3.a)->Column#11 + │ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.t3.b)) + │ └─TableFullScan 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +select (select count(t3.a) from t3 where t3.b = t1.b) from t1; +(select count(t3.a) from t3 where t3.b = t1.b) +0 +2 +show warnings; +Level Code Message +explain format = 'brief' select (select /*+ no_decorrelate() */ count(t3.a) from t3 where t3.b = t1.b) from t1; +id estRows task access object operator info +Projection 10000.00 root Column#10 +└─Apply 10000.00 root CARTESIAN left outer join + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─MaxOneRow(Probe) 10000.00 root + └─StreamAgg 10000.00 root funcs:count(Column#12)->Column#10 + └─TableReader 10000.00 root data:StreamAgg + └─StreamAgg 10000.00 cop[tikv] funcs:count(planner__core__casetest__physicalplantest__physical_plan.t3.a)->Column#12 + └─Selection 100000.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t3.b, planner__core__casetest__physicalplantest__physical_plan.t1.b) + └─TableFullScan 100000000.00 cop[tikv] table:t3 keep order:false, stats:pseudo +select (select /*+ no_decorrelate() */ count(t3.a) from t3 where t3.b = t1.b) from t1; +(select /*+ no_decorrelate() count(t3.a) from t3 where t3.b = t1.b) +0 +2 +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME,(SELECT sum(tb.CODE) FROM tb WHERE ta.id = tb.id) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +id estRows task access object operator info +HashJoin 250.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)] +├─TableReader(Build) 250.00 root data:Selection +│ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.ta.name, "chad999%", 92) +│ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo +└─HashAgg(Probe) 7992.00 root group by:planner__core__casetest__physicalplantest__physical_plan.tb.id, funcs:sum(Column#19)->Column#13, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.tb.id)->planner__core__casetest__physicalplantest__physical_plan.tb.id + └─TableReader 7992.00 root data:HashAgg + └─HashAgg 7992.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.tb.id, funcs:sum(planner__core__casetest__physicalplantest__physical_plan.tb.code)->Column#19 + └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.id)) + └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo +SELECT ta.NAME,(SELECT sum(tb.CODE) FROM tb WHERE ta.id = tb.id) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +NAME tb_sum_code +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME,(SELECT /*+ no_decorrelate() */ sum(tb.CODE) FROM tb WHERE ta.id = tb.id) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +id estRows task access object operator info +Projection 250.00 root planner__core__casetest__physicalplantest__physical_plan.ta.name, Column#13 +└─Apply 250.00 root CARTESIAN left outer join + ├─TableReader(Build) 250.00 root data:Selection + │ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.ta.name, "chad999%", 92) + │ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo + └─MaxOneRow(Probe) 250.00 root + └─StreamAgg 250.00 root funcs:sum(Column#21)->Column#13 + └─Projection 2500.00 root cast(planner__core__casetest__physicalplantest__physical_plan.tb.code, decimal(10,0) BINARY)->Column#21 + └─IndexLookUp 2500.00 root + ├─IndexRangeScan(Build) 2500.00 cop[tikv] table:tb, index:idx_tb_id(id) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 2500.00 cop[tikv] table:tb keep order:false, stats:pseudo +SELECT ta.NAME,(SELECT /*+ no_decorrelate() */ sum(tb.CODE) FROM tb WHERE ta.id = tb.id) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +NAME tb_sum_code +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME,(SELECT sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +id estRows task access object operator info +HashJoin 250.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)] +├─TableReader(Build) 250.00 root data:Selection +│ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.ta.name, "chad999%", 92) +│ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo +└─HashAgg(Probe) 6387.21 root group by:Column#39, funcs:sum(Column#37)->Column#18, funcs:firstrow(Column#38)->planner__core__casetest__physicalplantest__physical_plan.tb.id + └─Projection 7984.01 root cast(planner__core__casetest__physicalplantest__physical_plan.tb.code, decimal(10,0) BINARY)->Column#37, planner__core__casetest__physicalplantest__physical_plan.tb.id->Column#38, planner__core__casetest__physicalplantest__physical_plan.tb.id->Column#39 + └─HashJoin 7984.01 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.tb.name, planner__core__casetest__physicalplantest__physical_plan.tc.name)] + ├─TableReader(Build) 7992.00 root data:Selection + │ └─Selection 7992.00 cop[tikv] like(cast(planner__core__casetest__physicalplantest__physical_plan.tc.code, var_string(20)), "999%", 92), not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.name)) + │ └─TableFullScan 10000.00 cop[tikv] table:tc keep order:false, stats:pseudo + └─TableReader(Probe) 9980.01 root data:Selection + └─Selection 9980.01 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.id)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.name)) + └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo +SELECT ta.NAME,(SELECT sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +NAME tb_sum_code +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME,(SELECT /*+ no_decorrelate() */ sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +id estRows task access object operator info +Projection 250.00 root planner__core__casetest__physicalplantest__physical_plan.ta.name, Column#18 +└─Apply 250.00 root CARTESIAN left outer join + ├─TableReader(Build) 250.00 root data:Selection + │ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.ta.name, "chad999%", 92) + │ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo + └─MaxOneRow(Probe) 250.00 root + └─StreamAgg 250.00 root funcs:sum(Column#33)->Column#18 + └─Projection 1998.00 root cast(planner__core__casetest__physicalplantest__physical_plan.tb.code, decimal(10,0) BINARY)->Column#33 + └─IndexHashJoin 1998.00 root semi join, inner:IndexLookUp, outer key:planner__core__casetest__physicalplantest__physical_plan.tb.name, inner key:planner__core__casetest__physicalplantest__physical_plan.tc.name, equal cond:eq(planner__core__casetest__physicalplantest__physical_plan.tb.name, planner__core__casetest__physicalplantest__physical_plan.tc.name) + ├─IndexLookUp(Build) 2497.50 root + │ ├─IndexRangeScan(Build) 2500.00 cop[tikv] table:tb, index:idx_tb_id(id) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)], keep order:false, stats:pseudo + │ └─Selection(Probe) 2497.50 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.name)) + │ └─TableRowIDScan 2500.00 cop[tikv] table:tb keep order:false, stats:pseudo + └─IndexLookUp(Probe) 3121.87 root + ├─Selection(Build) 3902.34 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.name)) + │ └─IndexRangeScan 3906.25 cop[tikv] table:tc, index:idx_tc_name(name) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.tc.name, planner__core__casetest__physicalplantest__physical_plan.tb.name)], keep order:false, stats:pseudo + └─Selection(Probe) 3121.87 cop[tikv] like(cast(planner__core__casetest__physicalplantest__physical_plan.tc.code, var_string(20)), "999%", 92) + └─TableRowIDScan 3902.34 cop[tikv] table:tc keep order:false, stats:pseudo +SELECT ta.NAME,(SELECT /*+ no_decorrelate() */ sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +NAME tb_sum_code +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME,(SELECT sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select /*+ no_decorrelate() */ 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +id estRows task access object operator info +HashJoin 250.00 root left outer join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)] +├─TableReader(Build) 250.00 root data:Selection +│ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.ta.name, "chad999%", 92) +│ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo +└─HashAgg(Probe) 7992.00 root group by:Column#28, funcs:sum(Column#26)->Column#18, funcs:firstrow(Column#27)->planner__core__casetest__physicalplantest__physical_plan.tb.id + └─Projection 9990.00 root cast(planner__core__casetest__physicalplantest__physical_plan.tb.code, decimal(10,0) BINARY)->Column#26, planner__core__casetest__physicalplantest__physical_plan.tb.id->Column#27, planner__core__casetest__physicalplantest__physical_plan.tb.id->Column#28 + └─Apply 9990.00 root CARTESIAN semi join + ├─TableReader(Build) 9990.00 root data:Selection + │ └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.id)) + │ └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo + └─IndexLookUp(Probe) 79920.00 root + ├─IndexRangeScan(Build) 99900.00 cop[tikv] table:tc, index:idx_tc_name(name) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.tb.name, planner__core__casetest__physicalplantest__physical_plan.tc.name)], keep order:false, stats:pseudo + └─Selection(Probe) 79920.00 cop[tikv] like(cast(planner__core__casetest__physicalplantest__physical_plan.tc.code, var_string(20)), "999%", 92) + └─TableRowIDScan 99900.00 cop[tikv] table:tc keep order:false, stats:pseudo +SELECT ta.NAME,(SELECT sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select /*+ no_decorrelate() */ 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +NAME tb_sum_code +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME,(SELECT /*+ no_decorrelate() */ sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select /*+ no_decorrelate() */ 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +id estRows task access object operator info +Projection 250.00 root planner__core__casetest__physicalplantest__physical_plan.ta.name, Column#18 +└─Apply 250.00 root CARTESIAN left outer join + ├─TableReader(Build) 250.00 root data:Selection + │ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.ta.name, "chad999%", 92) + │ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo + └─MaxOneRow(Probe) 250.00 root + └─StreamAgg 250.00 root funcs:sum(Column#22)->Column#18 + └─Projection 2500.00 root cast(planner__core__casetest__physicalplantest__physical_plan.tb.code, decimal(10,0) BINARY)->Column#22 + └─Apply 2500.00 root CARTESIAN semi join + ├─IndexLookUp(Build) 2500.00 root + │ ├─IndexRangeScan(Build) 2500.00 cop[tikv] table:tb, index:idx_tb_id(id) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)], keep order:false, stats:pseudo + │ └─TableRowIDScan(Probe) 2500.00 cop[tikv] table:tb keep order:false, stats:pseudo + └─IndexLookUp(Probe) 20000.00 root + ├─IndexRangeScan(Build) 25000.00 cop[tikv] table:tc, index:idx_tc_name(name) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.tb.name, planner__core__casetest__physicalplantest__physical_plan.tc.name)], keep order:false, stats:pseudo + └─Selection(Probe) 20000.00 cop[tikv] like(cast(planner__core__casetest__physicalplantest__physical_plan.tc.code, var_string(20)), "999%", 92) + └─TableRowIDScan 25000.00 cop[tikv] table:tc keep order:false, stats:pseudo +SELECT ta.NAME,(SELECT /*+ no_decorrelate() */ sum(tb.CODE) FROM tb WHERE ta.id = tb.id and exists (select /*+ no_decorrelate() */ 1 from tc where tb.name=tc.name and tc.`code` like '999%')) tb_sum_code FROM ta WHERE ta.NAME LIKE 'chad999%'; +NAME tb_sum_code +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.id, 'split' as flag FROM ta WHERE ta.NAME ='chad999' and (select max(tb.code) from tb where ta.id=tb.id ) > 900; +id estRows task access object operator info +Projection 9.99 root planner__core__casetest__physicalplantest__physical_plan.ta.id, split->Column#10 +└─HashJoin 9.99 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)] + ├─IndexLookUp(Build) 9.99 root + │ ├─IndexRangeScan(Build) 10.00 cop[tikv] table:ta, index:idx_ta_name(name) range:["chad999","chad999"], keep order:false, stats:pseudo + │ └─Selection(Probe) 9.99 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.ta.id)) + │ └─TableRowIDScan 10.00 cop[tikv] table:ta keep order:false, stats:pseudo + └─Selection(Probe) 6393.60 root gt(Column#9, 900) + └─HashAgg 7992.00 root group by:planner__core__casetest__physicalplantest__physical_plan.tb.id, funcs:max(Column#19)->Column#9, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.tb.id)->planner__core__casetest__physicalplantest__physical_plan.tb.id + └─TableReader 7992.00 root data:HashAgg + └─HashAgg 7992.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.tb.id, funcs:max(planner__core__casetest__physicalplantest__physical_plan.tb.code)->Column#19 + └─Selection 9990.00 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.id)) + └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo +SELECT ta.id, 'split' as flag FROM ta WHERE ta.NAME ='chad999' and (select max(tb.code) from tb where ta.id=tb.id ) > 900; +id flag +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.id, 'split' as flag FROM ta WHERE ta.NAME ='chad999' and (select /*+ no_decorrelate() */ max(tb.code) from tb where ta.id=tb.id ) > 900; +id estRows task access object operator info +Projection 10.00 root planner__core__casetest__physicalplantest__physical_plan.ta.id, split->Column#10 +└─Apply 10.00 root CARTESIAN inner join + ├─IndexLookUp(Build) 10.00 root + │ ├─IndexRangeScan(Build) 10.00 cop[tikv] table:ta, index:idx_ta_name(name) range:["chad999","chad999"], keep order:false, stats:pseudo + │ └─TableRowIDScan(Probe) 10.00 cop[tikv] table:ta keep order:false, stats:pseudo + └─Selection(Probe) 8.00 root gt(Column#9, 900) + └─MaxOneRow 10.00 root + └─StreamAgg 10.00 root funcs:max(planner__core__casetest__physicalplantest__physical_plan.tb.code)->Column#9 + └─TopN 10.00 root planner__core__casetest__physicalplantest__physical_plan.tb.code:desc, offset:0, count:1 + └─IndexLookUp 10.00 root + ├─IndexRangeScan(Build) 100.00 cop[tikv] table:tb, index:idx_tb_id(id) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.tb.id)], keep order:false, stats:pseudo + └─TopN(Probe) 10.00 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.tb.code:desc, offset:0, count:1 + └─Selection 99.90 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.code)) + └─TableRowIDScan 100.00 cop[tikv] table:tb keep order:false, stats:pseudo +SELECT ta.id, 'split' as flag FROM ta WHERE ta.NAME ='chad999' and (select /*+ no_decorrelate() */ max(tb.code) from tb where ta.id=tb.id ) > 900; +id flag +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME FROM ta WHERE EXISTS (select 1 from tb where ta.code = tb.code and tb.NAME LIKE 'chad9%') AND (select max(id) from tc where ta.name=tc.name and tc.name like 'chad99%') > 100 and (select max(id) from td where ta.id=td.id and td.name like 'chad999%') > 100; +id estRows task access object operator info +HashJoin 159.84 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.td.id)] +├─Selection(Build) 159.84 root gt(Column#19, 100) +│ └─HashAgg 199.80 root group by:planner__core__casetest__physicalplantest__physical_plan.td.id, funcs:max(Column#32)->Column#19, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.td.id)->planner__core__casetest__physicalplantest__physical_plan.td.id +│ └─TableReader 199.80 root data:HashAgg +│ └─HashAgg 199.80 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.td.id, funcs:max(planner__core__casetest__physicalplantest__physical_plan.td.id)->Column#32 +│ └─Selection 249.75 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.td.name, "chad999%", 92), not(isnull(planner__core__casetest__physicalplantest__physical_plan.td.id)) +│ └─TableFullScan 10000.00 cop[tikv] table:td keep order:false, stats:pseudo +└─HashJoin(Probe) 200.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.name, planner__core__casetest__physicalplantest__physical_plan.tc.name)] + ├─Selection(Build) 160.00 root gt(Column#14, 100) + │ └─HashAgg 200.00 root group by:planner__core__casetest__physicalplantest__physical_plan.tc.name, funcs:max(Column#24)->Column#14, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.tc.name)->planner__core__casetest__physicalplantest__physical_plan.tc.name + │ └─TableReader 200.00 root data:HashAgg + │ └─HashAgg 200.00 cop[tikv] group by:planner__core__casetest__physicalplantest__physical_plan.tc.name, funcs:max(planner__core__casetest__physicalplantest__physical_plan.tc.id)->Column#24 + │ └─Selection 250.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.tc.name, "chad99%", 92), not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.name)) + │ └─TableFullScan 10000.00 cop[tikv] table:tc keep order:false, stats:pseudo + └─HashJoin(Probe) 7976.02 root semi join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.ta.code, planner__core__casetest__physicalplantest__physical_plan.tb.code)] + ├─TableReader(Build) 249.75 root data:Selection + │ └─Selection 249.75 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.tb.name, "chad9%", 92), not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.code)) + │ └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo + └─TableReader(Probe) 9970.03 root data:Selection + └─Selection 9970.03 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.ta.code)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.ta.id)), not(isnull(planner__core__casetest__physicalplantest__physical_plan.ta.name)) + └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo +SELECT ta.NAME FROM ta WHERE EXISTS (select 1 from tb where ta.code = tb.code and tb.NAME LIKE 'chad9%') AND (select max(id) from tc where ta.name=tc.name and tc.name like 'chad99%') > 100 and (select max(id) from td where ta.id=td.id and td.name like 'chad999%') > 100; +NAME +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME FROM ta WHERE EXISTS (select /*+ semi_join_rewrite() */ 1 from tb where ta.code = tb.code and tb.NAME LIKE 'chad9%') AND (select /*+ no_decorrelate() */ max(id) from tc where ta.name=tc.name and tc.name like 'chad99%') > 100 and (select /*+ no_decorrelate() */ max(id) from td where ta.id=td.id and td.name like 'chad999%') > 100; +id estRows task access object operator info +Projection 249.75 root planner__core__casetest__physicalplantest__physical_plan.ta.name +└─Apply 249.75 root CARTESIAN inner join + ├─Apply(Build) 249.75 root CARTESIAN inner join + │ ├─IndexHashJoin(Build) 249.75 root inner join, inner:IndexLookUp, outer key:planner__core__casetest__physicalplantest__physical_plan.tb.code, inner key:planner__core__casetest__physicalplantest__physical_plan.ta.code, equal cond:eq(planner__core__casetest__physicalplantest__physical_plan.tb.code, planner__core__casetest__physicalplantest__physical_plan.ta.code) + │ │ ├─HashAgg(Build) 199.80 root group by:planner__core__casetest__physicalplantest__physical_plan.tb.code, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.tb.code)->planner__core__casetest__physicalplantest__physical_plan.tb.code + │ │ │ └─TableReader 249.75 root data:Selection + │ │ │ └─Selection 249.75 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.tb.name, "chad9%", 92), not(isnull(planner__core__casetest__physicalplantest__physical_plan.tb.code)) + │ │ │ └─TableFullScan 10000.00 cop[tikv] table:tb keep order:false, stats:pseudo + │ │ └─IndexLookUp(Probe) 249.75 root + │ │ ├─Selection(Build) 249.75 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.ta.code)) + │ │ │ └─IndexRangeScan 250.00 cop[tikv] table:ta, index:idx_ta_code(code) range: decided by [eq(planner__core__casetest__physicalplantest__physical_plan.ta.code, planner__core__casetest__physicalplantest__physical_plan.tb.code)], keep order:false, stats:pseudo + │ │ └─TableRowIDScan(Probe) 249.75 cop[tikv] table:ta keep order:false, stats:pseudo + │ └─Selection(Probe) 199.80 root gt(Column#14, 100) + │ └─MaxOneRow 249.75 root + │ └─StreamAgg 249.75 root funcs:max(planner__core__casetest__physicalplantest__physical_plan.tc.id)->Column#14 + │ └─TopN 62.38 root planner__core__casetest__physicalplantest__physical_plan.tc.id:desc, offset:0, count:1 + │ └─IndexLookUp 62.38 root + │ ├─Selection(Build) 62.38 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.ta.name, planner__core__casetest__physicalplantest__physical_plan.tc.name), like(planner__core__casetest__physicalplantest__physical_plan.tc.name, "chad99%", 92) + │ │ └─IndexRangeScan 62437.50 cop[tikv] table:tc, index:idx_tc_name(name) range:["chad99","chad9:"), keep order:false, stats:pseudo + │ └─TopN(Probe) 62.38 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.tc.id:desc, offset:0, count:1 + │ └─Selection 62.38 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.id)) + │ └─TableRowIDScan 62.38 cop[tikv] table:tc keep order:false, stats:pseudo + └─Selection(Probe) 199.80 root gt(Column#19, 100) + └─MaxOneRow 249.75 root + └─StreamAgg 249.75 root funcs:max(planner__core__casetest__physicalplantest__physical_plan.td.id)->Column#19 + └─TopN 62.38 root planner__core__casetest__physicalplantest__physical_plan.td.id:desc, offset:0, count:1 + └─IndexLookUp 62.38 root + ├─Selection(Build) 1560.94 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.td.name, "chad999%", 92) + │ └─IndexRangeScan 62437.50 cop[tikv] table:td, index:idx_tc_name(name) range:["chad999","chad99:"), keep order:false, stats:pseudo + └─TopN(Probe) 62.38 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.td.id:desc, offset:0, count:1 + └─Selection 62.38 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.td.id), not(isnull(planner__core__casetest__physicalplantest__physical_plan.td.id)) + └─TableRowIDScan 1560.94 cop[tikv] table:td keep order:false, stats:pseudo +SELECT ta.NAME FROM ta WHERE EXISTS (select /*+ semi_join_rewrite() */ 1 from tb where ta.code = tb.code and tb.NAME LIKE 'chad9%') AND (select /*+ no_decorrelate() */ max(id) from tc where ta.name=tc.name and tc.name like 'chad99%') > 100 and (select /*+ no_decorrelate() */ max(id) from td where ta.id=td.id and td.name like 'chad999%') > 100; +NAME +show warnings; +Level Code Message +explain format = 'brief' SELECT ta.NAME FROM ta WHERE EXISTS (select /*+ no_decorrelate() */ 1 from tb where ta.code = tb.code and tb.NAME LIKE 'chad9%') AND (select /*+ no_decorrelate() */ max(id) from tc where ta.name=tc.name and tc.name like 'chad99%') > 100 and (select /*+ no_decorrelate() */ max(id) from td where ta.id=td.id and td.name like 'chad999%') > 100; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.ta.name +└─Apply 10000.00 root CARTESIAN inner join + ├─Apply(Build) 10000.00 root CARTESIAN inner join + │ ├─Apply(Build) 10000.00 root CARTESIAN semi join + │ │ ├─TableReader(Build) 10000.00 root data:TableFullScan + │ │ │ └─TableFullScan 10000.00 cop[tikv] table:ta keep order:false, stats:pseudo + │ │ └─IndexLookUp(Probe) 2500.00 root + │ │ ├─Selection(Build) 62500.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.tb.name, "chad9%", 92) + │ │ │ └─IndexRangeScan 2500000.00 cop[tikv] table:tb, index:idx_tb_name(name) range:["chad9","chad:"), keep order:false, stats:pseudo + │ │ └─Selection(Probe) 2500.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.ta.code, planner__core__casetest__physicalplantest__physical_plan.tb.code) + │ │ └─TableRowIDScan 62500.00 cop[tikv] table:tb keep order:false, stats:pseudo + │ └─Selection(Probe) 8000.00 root gt(Column#14, 100) + │ └─MaxOneRow 10000.00 root + │ └─StreamAgg 10000.00 root funcs:max(planner__core__casetest__physicalplantest__physical_plan.tc.id)->Column#14 + │ └─TopN 2497.50 root planner__core__casetest__physicalplantest__physical_plan.tc.id:desc, offset:0, count:1 + │ └─IndexLookUp 2497.50 root + │ ├─Selection(Build) 2497.50 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.ta.name, planner__core__casetest__physicalplantest__physical_plan.tc.name), like(planner__core__casetest__physicalplantest__physical_plan.tc.name, "chad99%", 92) + │ │ └─IndexRangeScan 2500000.00 cop[tikv] table:tc, index:idx_tc_name(name) range:["chad99","chad9:"), keep order:false, stats:pseudo + │ └─TopN(Probe) 2497.50 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.tc.id:desc, offset:0, count:1 + │ └─Selection 2497.50 cop[tikv] not(isnull(planner__core__casetest__physicalplantest__physical_plan.tc.id)) + │ └─TableRowIDScan 2497.50 cop[tikv] table:tc keep order:false, stats:pseudo + └─Selection(Probe) 8000.00 root gt(Column#19, 100) + └─MaxOneRow 10000.00 root + └─StreamAgg 10000.00 root funcs:max(planner__core__casetest__physicalplantest__physical_plan.td.id)->Column#19 + └─TopN 2497.50 root planner__core__casetest__physicalplantest__physical_plan.td.id:desc, offset:0, count:1 + └─IndexLookUp 2497.50 root + ├─Selection(Build) 62500.00 cop[tikv] like(planner__core__casetest__physicalplantest__physical_plan.td.name, "chad999%", 92) + │ └─IndexRangeScan 2500000.00 cop[tikv] table:td, index:idx_tc_name(name) range:["chad999","chad99:"), keep order:false, stats:pseudo + └─TopN(Probe) 2497.50 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.td.id:desc, offset:0, count:1 + └─Selection 2497.50 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.ta.id, planner__core__casetest__physicalplantest__physical_plan.td.id), not(isnull(planner__core__casetest__physicalplantest__physical_plan.td.id)) + └─TableRowIDScan 62500.00 cop[tikv] table:td keep order:false, stats:pseudo +SELECT ta.NAME FROM ta WHERE EXISTS (select /*+ no_decorrelate() */ 1 from tb where ta.code = tb.code and tb.NAME LIKE 'chad9%') AND (select /*+ no_decorrelate() */ max(id) from tc where ta.name=tc.name and tc.name like 'chad99%') > 100 and (select /*+ no_decorrelate() */ max(id) from td where ta.id=td.id and td.name like 'chad999%') > 100; +NAME +show warnings; +Level Code Message +set tidb_cost_model_version=DEFAULT; +drop table if exists t, t_pick_row_id; +set tidb_cost_model_version=1; +create table t (a int(11) not null, b varchar(10) not null, c date not null, d char(1) not null, e bigint not null, f datetime not null, g bool not null, h bool ); +create table t_pick_row_id (a char(20) not null); +explain format = 'brief' select count(*) from t; +id estRows task access object operator info +StreamAgg 1.00 root funcs:count(Column#12)->Column#10 +└─TableReader 1.00 root data:StreamAgg + └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#12 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select count(1), count(3.1415), count(0), count(null) from t -- shouldn't be rewritten; +id estRows task access object operator info +StreamAgg 1.00 root funcs:count(Column#18)->Column#10, funcs:count(Column#19)->Column#11, funcs:count(Column#20)->Column#12, funcs:count(Column#21)->Column#13 +└─TableReader 1.00 root data:StreamAgg + └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#18, funcs:count(3.1415)->Column#19, funcs:count(0)->Column#20, funcs:count(NULL)->Column#21 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select count(*) from t where a=1; +id estRows task access object operator info +StreamAgg 1.00 root funcs:count(Column#12)->Column#10 +└─TableReader 1.00 root data:StreamAgg + └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#12 + └─Selection 10.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t.a, 1) + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select count(*) from t_pick_row_id; +id estRows task access object operator info +StreamAgg 1.00 root funcs:count(Column#5)->Column#3 +└─TableReader 1.00 root data:StreamAgg + └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#5 + └─TableFullScan 10000.00 cop[tikv] table:t_pick_row_id keep order:false, stats:pseudo +explain format = 'brief' select t.b, t.c from (select count(*) as c from t) a, t where a.c=t.a -- shouldn't be rewritten; +id estRows task access object operator info +HashJoin 1.25 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t.a, Column#10)] +├─StreamAgg(Build) 1.00 root funcs:count(Column#21)->Column#10 +│ └─TableReader 1.00 root data:StreamAgg +│ └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#21 +│ └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +└─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select * from t outTable where outTable.a > (select count(*) from t inn where inn.a = outTable.b) -- shouldn't be rewritten; +id estRows task access object operator info +Projection 10000.00 root planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.b, planner__core__casetest__physicalplantest__physical_plan.t.c, planner__core__casetest__physicalplantest__physical_plan.t.d, planner__core__casetest__physicalplantest__physical_plan.t.e, planner__core__casetest__physicalplantest__physical_plan.t.f, planner__core__casetest__physicalplantest__physical_plan.t.g, planner__core__casetest__physicalplantest__physical_plan.t.h +└─Apply 10000.00 root CARTESIAN inner join, other cond:gt(planner__core__casetest__physicalplantest__physical_plan.t.a, Column#19) + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:outTable keep order:false, stats:pseudo + └─StreamAgg(Probe) 10000.00 root funcs:count(Column#21)->Column#19 + └─TableReader 10000.00 root data:StreamAgg + └─StreamAgg 10000.00 cop[tikv] funcs:count(1)->Column#21 + └─Selection 80000000.00 cop[tikv] eq(cast(planner__core__casetest__physicalplantest__physical_plan.t.a, double BINARY), cast(planner__core__casetest__physicalplantest__physical_plan.t.b, double BINARY)) + └─TableFullScan 100000000.00 cop[tikv] table:inn keep order:false, stats:pseudo +explain format = 'brief' select count(*) from t t1, t t2 where t1.a=t2.e -- shouldn't be rewritten; +id estRows task access object operator info +HashAgg 1.00 root funcs:count(1)->Column#19 +└─HashJoin 12500.00 root inner join, equal:[eq(planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.e)] + ├─TableReader(Build) 10000.00 root data:TableFullScan + │ └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader(Probe) 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +explain format = 'brief' select count(distinct 1) from t -- shouldn't be rewritten; +id estRows task access object operator info +StreamAgg 1.00 root funcs:count(distinct 1)->Column#10 +└─TableReader 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select count(1), count(a), count(b) from t -- shouldn't be rewritten; +id estRows task access object operator info +StreamAgg 1.00 root funcs:count(Column#16)->Column#10, funcs:count(Column#17)->Column#11, funcs:count(Column#18)->Column#12 +└─TableReader 1.00 root data:StreamAgg + └─StreamAgg 1.00 cop[tikv] funcs:count(1)->Column#16, funcs:count(planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#17, funcs:count(planner__core__casetest__physicalplantest__physical_plan.t.b)->Column#18 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select a, count(*) from t group by a -- shouldn't be rewritten; +id estRows task access object operator info +Projection 8000.00 root planner__core__casetest__physicalplantest__physical_plan.t.a, Column#10 +└─HashAgg 8000.00 root group by:planner__core__casetest__physicalplantest__physical_plan.t.a, funcs:count(1)->Column#10, funcs:firstrow(planner__core__casetest__physicalplantest__physical_plan.t.a)->planner__core__casetest__physicalplantest__physical_plan.t.a + └─TableReader 10000.00 root data:TableFullScan + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select sum(a) from t -- sum shouldn't be rewritten; +id estRows task access object operator info +StreamAgg 1.00 root funcs:sum(Column#12)->Column#10 +└─TableReader 1.00 root data:StreamAgg + └─StreamAgg 1.00 cop[tikv] funcs:sum(planner__core__casetest__physicalplantest__physical_plan.t.a)->Column#12 + └─TableFullScan 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +set tidb_cost_model_version=DEFAULT; +drop table if exists t, tcommon, thash; +set tidb_cost_model_version=1; +create table t (a int, b int, c int, index idx(a, c), index idx2(b, c)); +create table tcommon (a int, b int, c int, primary key(a, c), index idx2(b, c)); +create table thash(a int, b int, c int, index idx_ac(a, c), index idx_bc(b, c)) PARTITION BY HASH (`a`) PARTITIONS 4; +explain format = 'brief' select * from t where a = 1 or b = 1 order by c limit 2; +id estRows task access object operator info +Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.b, planner__core__casetest__physicalplantest__physical_plan.t.c +└─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], keep order:true, stats:pseudo + ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.00 cop[tikv] table:t, index:idx2(b, c) range:[1,1], keep order:true, stats:pseudo + └─TableRowIDScan(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where a = 1 or b in (1, 2, 3) order by c limit 2; +id estRows task access object operator info +TopN 2.00 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 2.00 root type: union + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 30.00 cop[tikv] table:t, index:idx2(b, c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo + └─TopN(Probe) 2.00 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─TableRowIDScan 39.97 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where a in (1, 2, 3) or b = 1 order by c limit 2; +id estRows task access object operator info +TopN 2.00 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 2.00 root type: union + ├─IndexRangeScan(Build) 30.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx2(b, c) range:[1,1], keep order:false, stats:pseudo + └─TopN(Probe) 2.00 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─TableRowIDScan 39.97 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where a in (1, 2, 3) or b in (1, 2, 3) order by c limit 2; +id estRows task access object operator info +TopN 2.00 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 2.00 root type: union + ├─IndexRangeScan(Build) 30.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 30.00 cop[tikv] table:t, index:idx2(b, c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo + └─TopN(Probe) 2.00 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─TableRowIDScan 59.91 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where (a = 1 and c = 2) or (b = 1) order by c limit 2; +id estRows task access object operator info +Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.t.a, planner__core__casetest__physicalplantest__physical_plan.t.b, planner__core__casetest__physicalplantest__physical_plan.t.c +└─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + ├─Limit(Build) 0.02 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 0.02 cop[tikv] table:t, index:idx(a, c) range:[1 2,1 2], keep order:true, stats:pseudo + ├─Limit(Build) 1.98 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.98 cop[tikv] table:t, index:idx2(b, c) range:[1,1], keep order:true, stats:pseudo + └─TableRowIDScan(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where (a = 1 and c = 2) or b in (1, 2, 3) order by c limit 2; +id estRows task access object operator info +TopN 2.00 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 2.00 root type: union + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:t, index:idx(a, c) range:[1 2,1 2], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 30.00 cop[tikv] table:t, index:idx2(b, c) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo + └─TopN(Probe) 2.00 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─TableRowIDScan 30.10 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where (a = 1 and c = 2) or (b in (1, 2, 3) and c = 3) order by c limit 2; +id estRows task access object operator info +TopN 0.40 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 0.40 root type: union + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:t, index:idx(a, c) range:[1 2,1 2], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 0.30 cop[tikv] table:t, index:idx2(b, c) range:[1 3,1 3], [2 3,2 3], [3 3,3 3], keep order:false, stats:pseudo + └─TopN(Probe) 0.40 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─TableRowIDScan 0.40 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where (a = 1 or b = 2) and c = 3 order by c limit 2; +id estRows task access object operator info +TopN 0.02 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 0.02 root type: union + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx2(b, c) range:[2,2], keep order:false, stats:pseudo + └─TopN(Probe) 0.02 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─Selection 0.02 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t.c, 3) + └─TableRowIDScan 19.99 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where (a = 1 or b = 2) and c in (1, 2, 3) order by c limit 2; +id estRows task access object operator info +TopN 0.06 root planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 +└─IndexMerge 0.06 root type: union + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx2(b, c) range:[2,2], keep order:false, stats:pseudo + └─TopN(Probe) 0.06 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.c, offset:0, count:2 + └─Selection 0.06 cop[tikv] in(planner__core__casetest__physicalplantest__physical_plan.t.c, 1, 2, 3) + └─TableRowIDScan 19.99 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from t where (a = 1 or b = 2) and c in (1, 2, 3) order by b limit 2; +id estRows task access object operator info +TopN 0.06 root planner__core__casetest__physicalplantest__physical_plan.t.b, offset:0, count:2 +└─IndexMerge 0.06 root type: union + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx(a, c) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx2(b, c) range:[2,2], keep order:false, stats:pseudo + └─TopN(Probe) 0.06 cop[tikv] planner__core__casetest__physicalplantest__physical_plan.t.b, offset:0, count:2 + └─Selection 0.06 cop[tikv] in(planner__core__casetest__physicalplantest__physical_plan.t.c, 1, 2, 3) + └─TableRowIDScan 19.99 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from tcommon where a = 1 or b = 1 order by c limit 2; +id estRows task access object operator info +Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.tcommon.a, planner__core__casetest__physicalplantest__physical_plan.tcommon.b, planner__core__casetest__physicalplantest__physical_plan.tcommon.c +└─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.00 cop[tikv] table:tcommon, index:PRIMARY(a, c) range:[1,1], keep order:true, stats:pseudo + ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.00 cop[tikv] table:tcommon, index:idx2(b, c) range:[1,1], keep order:true, stats:pseudo + └─TableRowIDScan(Probe) 2.00 cop[tikv] table:tcommon keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from tcommon where (a = 1 and c = 2) or (b = 1) order by c limit 2; +id estRows task access object operator info +Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.tcommon.a, planner__core__casetest__physicalplantest__physical_plan.tcommon.b, planner__core__casetest__physicalplantest__physical_plan.tcommon.c +└─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + ├─Limit(Build) 0.18 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 0.18 cop[tikv] table:tcommon, index:PRIMARY(a, c) range:[1 2,1 2], keep order:true, stats:pseudo + ├─Limit(Build) 1.82 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.82 cop[tikv] table:tcommon, index:idx2(b, c) range:[1,1], keep order:true, stats:pseudo + └─TableRowIDScan(Probe) 2.00 cop[tikv] table:tcommon keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select * from thash use index(idx_ac, idx_bc) where a = 1 or b = 1 order by c limit 2; +id estRows task access object operator info +TopN 2.00 root planner__core__casetest__physicalplantest__physical_plan.thash.c, offset:0, count:2 +└─PartitionUnion 8.00 root + ├─Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.thash.a, planner__core__casetest__physicalplantest__physical_plan.thash.b, planner__core__casetest__physicalplantest__physical_plan.thash.c + │ └─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + │ ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p0, index:idx_ac(a, c) range:[1,1], keep order:true, stats:pseudo + │ ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p0, index:idx_bc(b, c) range:[1,1], keep order:true, stats:pseudo + │ └─TableRowIDScan(Probe) 2.00 cop[tikv] table:thash, partition:p0 keep order:false, stats:pseudo + ├─Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.thash.a, planner__core__casetest__physicalplantest__physical_plan.thash.b, planner__core__casetest__physicalplantest__physical_plan.thash.c + │ └─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + │ ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p1, index:idx_ac(a, c) range:[1,1], keep order:true, stats:pseudo + │ ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p1, index:idx_bc(b, c) range:[1,1], keep order:true, stats:pseudo + │ └─TableRowIDScan(Probe) 2.00 cop[tikv] table:thash, partition:p1 keep order:false, stats:pseudo + ├─Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.thash.a, planner__core__casetest__physicalplantest__physical_plan.thash.b, planner__core__casetest__physicalplantest__physical_plan.thash.c + │ └─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + │ ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p2, index:idx_ac(a, c) range:[1,1], keep order:true, stats:pseudo + │ ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p2, index:idx_bc(b, c) range:[1,1], keep order:true, stats:pseudo + │ └─TableRowIDScan(Probe) 2.00 cop[tikv] table:thash, partition:p2 keep order:false, stats:pseudo + └─Projection 2.00 root planner__core__casetest__physicalplantest__physical_plan.thash.a, planner__core__casetest__physicalplantest__physical_plan.thash.b, planner__core__casetest__physicalplantest__physical_plan.thash.c + └─IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) + ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p3, index:idx_ac(a, c) range:[1,1], keep order:true, stats:pseudo + ├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 + │ └─IndexRangeScan 1.00 cop[tikv] table:thash, partition:p3, index:idx_bc(b, c) range:[1,1], keep order:true, stats:pseudo + └─TableRowIDScan(Probe) 2.00 cop[tikv] table:thash, partition:p3 keep order:false, stats:pseudo +show warnings; +Level Code Message +Warning 1105 disable dynamic pruning due to thash has no global stats +set tidb_cost_model_version=DEFAULT; +drop table if exists t, t2, t3; +set tidb_cost_model_version=1; +CREATE TABLE `t2` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, KEY `a` (`a`), KEY `b` (`b`)) ; +insert into t2 values(1,2,1),(2,1,1),(3,3,1); +create table t(a int, j json, index kj((cast(j as signed array)))); +insert into t values(1, '[1,2,3]'); +CREATE TABLE `t3` ( +`id` int(11) NOT NULL, +`aid` bigint(20) DEFAULT NULL, +`c1` varchar(255) DEFAULT NULL, +`c2` varchar(255) DEFAULT NULL, +`d` int(11) DEFAULT NULL, +PRIMARY KEY (`id`) /*T![clustered_index] CLUSTERED */, +KEY `aid_c1` (`aid`,`c1`), +KEY `aid_c2` (`aid`,`c2`) +); +explain format = 'brief' select /*+ use_index_merge(t2, a, b) */ * from t2 where a=1 or b=1 and c=1 limit 2; +id estRows task access object operator info +Limit 2.00 root offset:0, count:2 +└─IndexMerge 0.00 root type: union + ├─IndexRangeScan(Build) 2.00 cop[tikv] table:t2, index:a(a) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 2.00 cop[tikv] table:t2, index:b(b) range:[1,1], keep order:false, stats:pseudo + └─Limit(Probe) 0.00 cop[tikv] offset:0, count:2 + └─Selection 0.00 cop[tikv] or(eq(planner__core__casetest__physicalplantest__physical_plan.t2.a, 1), and(eq(planner__core__casetest__physicalplantest__physical_plan.t2.b, 1), eq(planner__core__casetest__physicalplantest__physical_plan.t2.c, 1))) + └─TableRowIDScan 3.99 cop[tikv] table:t2 keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index_merge(t2, a, b) */ * from t2 where a=1 and b=1 and c=1 limit 2; +id estRows task access object operator info +Limit 0.00 root offset:0, count:2 +└─IndexMerge 0.01 root type: intersection + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t2, index:a(a) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 10.00 cop[tikv] table:t2, index:b(b) range:[1,1], keep order:false, stats:pseudo + └─Limit(Probe) 0.01 cop[tikv] offset:0, count:2 + └─Selection 0.01 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t2.c, 1) + └─TableRowIDScan 0.01 cop[tikv] table:t2 keep order:false, stats:pseudo +show warnings; +Level Code Message +select /*+ use_index_merge(t2, a, b) */ * from t2 where a=1 and b=1 and c=1 limit 2; +a b c +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index_merge(t2, a, b) */ * from t2 where a=1 or b=1 limit 2; +id estRows task access object operator info +IndexMerge 2.00 root type: union, limit embedded(offset:0, count:2) +├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 +│ └─IndexRangeScan 1.00 cop[tikv] table:t2, index:a(a) range:[1,1], keep order:false, stats:pseudo +├─Limit(Build) 1.00 cop[tikv] offset:0, count:2 +│ └─IndexRangeScan 1.00 cop[tikv] table:t2, index:b(b) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 2.00 cop[tikv] table:t2 keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index_merge(t2, a, b) */ * from t2 where a=1 and b=1 limit 2; +id estRows task access object operator info +IndexMerge 0.01 root type: intersection, limit embedded(offset:0, count:2) +├─IndexRangeScan(Build) 10.00 cop[tikv] table:t2, index:a(a) range:[1,1], keep order:false, stats:pseudo +├─IndexRangeScan(Build) 10.00 cop[tikv] table:t2, index:b(b) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 0.01 cop[tikv] table:t2 keep order:false, stats:pseudo +show warnings; +Level Code Message +select /*+ use_index_merge(t2, a, b) */ * from t2 where a=1 and b=1 limit 2; +a b c +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index(t, kj) */ * from t where (1 member of (j)) limit 1; +id estRows task access object operator info +IndexMerge 0.00 root type: union, limit embedded(offset:0, count:1) +├─Limit(Build) 0.00 cop[tikv] offset:0, count:1 +│ └─IndexRangeScan 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 0.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index(t, kj) */ * from t where json_contains(j, '[1, 2, 3]') limit 1; +id estRows task access object operator info +IndexMerge 0.00 root type: intersection, limit embedded(offset:0, count:1) +├─IndexRangeScan(Build) 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[1,1], keep order:false, stats:pseudo +├─IndexRangeScan(Build) 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[2,2], keep order:false, stats:pseudo +├─IndexRangeScan(Build) 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[3,3], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 0.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index(t, kj) */ * from t where json_overlaps(j, '[1, 2, 3]') limit 1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─Selection 1.00 root json_overlaps(planner__core__casetest__physicalplantest__physical_plan.t.j, cast("[1, 2, 3]", json BINARY)) + └─IndexMerge 0.00 root type: union + ├─IndexRangeScan(Build) 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[2,2], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 0.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[3,3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +Warning 1105 Scalar function 'json_overlaps'(signature: Unspecified, return type: bigint(20)) is not supported to push down to storage layer now. +explain format = 'brief' select /*+ use_index(t, kj) */ * from t where (1 member of (j) and a=1 ) limit 1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─IndexMerge 0.00 root type: union + ├─IndexRangeScan(Build) 1.25 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[1,1], keep order:false, stats:pseudo + └─Limit(Probe) 0.00 cop[tikv] offset:0, count:1 + └─Selection 0.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t.a, 1) + └─TableRowIDScan 1.25 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index(t, kj) */ * from t where json_contains(j, '[1, 2, 3]') and a=1 limit 1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─IndexMerge 0.00 root type: intersection + ├─IndexRangeScan(Build) 1.25 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 1.25 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[2,2], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 1.25 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[3,3], keep order:false, stats:pseudo + └─Limit(Probe) 0.00 cop[tikv] offset:0, count:1 + └─Selection 0.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t.a, 1) + └─TableRowIDScan 1.25 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +explain format = 'brief' select /*+ use_index(t, kj) */ * from t where json_overlaps(j, '[1, 2, 3]') and a=1 limit 1; +id estRows task access object operator info +Limit 1.00 root offset:0, count:1 +└─Selection 1.00 root json_overlaps(planner__core__casetest__physicalplantest__physical_plan.t.j, cast("[1, 2, 3]", json BINARY)) + └─IndexMerge 1.00 root type: union + ├─IndexRangeScan(Build) 1.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[1,1], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 1.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[2,2], keep order:false, stats:pseudo + ├─IndexRangeScan(Build) 1.00 cop[tikv] table:t, index:kj(cast(`j` as signed array)) range:[3,3], keep order:false, stats:pseudo + └─Selection(Probe) 1.00 cop[tikv] eq(planner__core__casetest__physicalplantest__physical_plan.t.a, 1) + └─TableRowIDScan 1.00 cop[tikv] table:t keep order:false, stats:pseudo +show warnings; +Level Code Message +Warning 1105 Scalar function 'json_overlaps'(signature: Unspecified, return type: bigint(20)) is not supported to push down to storage layer now. +set tidb_cost_model_version=DEFAULT; +explain select /*+ USE_INDEX_MERGE(t3, aid_c1, aid_c2) */ * from t3 where (aid = 1 and c1='aaa') or (aid = 1 and c2='bbb') limit 1; +id estRows task access object operator info +IndexMerge_20 1.00 root type: union, limit embedded(offset:0, count:1) +├─Limit_18(Build) 0.01 cop[tikv] offset:0, count:1 +│ └─IndexRangeScan_11 0.01 cop[tikv] table:t3, index:aid_c1(aid, c1) range:[1 "aaa",1 "aaa"], keep order:false, stats:pseudo +├─Limit_19(Build) 0.01 cop[tikv] offset:0, count:1 +│ └─IndexRangeScan_12 0.01 cop[tikv] table:t3, index:aid_c2(aid, c2) range:[1 "bbb",1 "bbb"], keep order:false, stats:pseudo +└─TableRowIDScan_13(Probe) 1.00 cop[tikv] table:t3 keep order:false, stats:pseudo +show warnings; +Level Code Message diff --git a/tests/integrationtest/r/planner/core/issuetest/planner_issue.result b/tests/integrationtest/r/planner/core/issuetest/planner_issue.result new file mode 100644 index 0000000000000..9a5474ce1b188 --- /dev/null +++ b/tests/integrationtest/r/planner/core/issuetest/planner_issue.result @@ -0,0 +1,227 @@ +CREATE TABLE aa311c3c ( +57fd8d09 year(4) DEFAULT '1913', +afbdd7c3 char(220) DEFAULT 'gakkl6occ0yd2jmhi2qxog8szibtcqwxyxmga3hp4ktszjplmg3rjvu8v6lgn9q6hva2lekhw6napjejbut6svsr8q2j8w8rc551e5vq', +43b06e99 date NOT NULL DEFAULT '3403-10-08', +b80b3746 tinyint(4) NOT NULL DEFAULT '34', +6302d8ac timestamp DEFAULT '2004-04-01 18:21:18', +PRIMARY KEY (43b06e99,b80b3746) /*T![clustered_index] CLUSTERED */, +KEY 3080c821 (57fd8d09,43b06e99,b80b3746), +KEY a9af33a4 (57fd8d09,b80b3746,43b06e99), +KEY 464b386e (b80b3746), +KEY 19dc3c2d (57fd8d09) +) ENGINE=InnoDB DEFAULT CHARSET=ascii COLLATE=ascii_bin COMMENT='320f8401'; +explain select /*+ use_index_merge( `aa311c3c` ) */ `aa311c3c`.`43b06e99` as r0 , `aa311c3c`.`6302d8ac` as r1 from `aa311c3c` where IsNull( `aa311c3c`.`b80b3746` ) or not( `aa311c3c`.`57fd8d09` >= '2008' ) order by r0,r1 limit 95; +id estRows task access object operator info +Projection_7 95.00 root planner__core__issuetest__planner_issue.aa311c3c.43b06e99, planner__core__issuetest__planner_issue.aa311c3c.6302d8ac +└─TopN_9 95.00 root planner__core__issuetest__planner_issue.aa311c3c.43b06e99, planner__core__issuetest__planner_issue.aa311c3c.6302d8ac, offset:0, count:95 + └─IndexMerge_17 95.00 root type: union + ├─TableFullScan_13(Build) 0.00 cop[tikv] table:aa311c3c keep order:false, stats:pseudo + ├─IndexRangeScan_14(Build) 3323.33 cop[tikv] table:aa311c3c, index:3080c821(57fd8d09, 43b06e99, b80b3746) range:[-inf,2008), keep order:false, stats:pseudo + └─TopN_16(Probe) 95.00 cop[tikv] planner__core__issuetest__planner_issue.aa311c3c.43b06e99, planner__core__issuetest__planner_issue.aa311c3c.6302d8ac, offset:0, count:95 + └─TableRowIDScan_15 3323.33 cop[tikv] table:aa311c3c keep order:false, stats:pseudo +CREATE TABLE t1(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +CREATE TABLE t2(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +INSERT INTO t1 values(1,NULL,NULL,null),(2,NULL,NULL,null),(3,NULL,NULL,null); +INSERT INTO t2 values(1,'a','aa','aaa'),(2,'b','bb','bbb'),(3,'c','cc','ccc'); +WITH tmp AS (SELECT t2.* FROM t2) select (SELECT tmp.col1 FROM tmp WHERE tmp.id=t1.id ) col1, (SELECT tmp.col2 FROM tmp WHERE tmp.id=t1.id ) col2, (SELECT tmp.col3 FROM tmp WHERE tmp.id=t1.id ) col3 from t1; +col1 col2 col3 +a aa aaa +b bb bbb +c cc ccc +set tidb_enable_index_merge=on; +drop table if exists t; +create table t(a int, b int, index idx_a(a), index idx_b(b)); +set @@session.sql_select_limit=3; +explain format = 'brief' select * from t where a = 1 or b = 1; +id estRows task access object operator info +IndexMerge 3.00 root type: union, limit embedded(offset:0, count:3) +├─Limit(Build) 1.50 cop[tikv] offset:0, count:3 +│ └─IndexRangeScan 1.50 cop[tikv] table:t, index:idx_a(a) range:[1,1], keep order:false, stats:pseudo +├─Limit(Build) 1.50 cop[tikv] offset:0, count:3 +│ └─IndexRangeScan 1.50 cop[tikv] table:t, index:idx_b(b) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 3.00 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select /*+ use_index_merge(t) */ * from t where a = 1 or b = 1; +id estRows task access object operator info +IndexMerge 3.00 root type: union, limit embedded(offset:0, count:3) +├─Limit(Build) 1.50 cop[tikv] offset:0, count:3 +│ └─IndexRangeScan 1.50 cop[tikv] table:t, index:idx_a(a) range:[1,1], keep order:false, stats:pseudo +├─Limit(Build) 1.50 cop[tikv] offset:0, count:3 +│ └─IndexRangeScan 1.50 cop[tikv] table:t, index:idx_b(b) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 3.00 cop[tikv] table:t keep order:false, stats:pseudo +set @@session.sql_select_limit=18446744073709551615; +explain format = 'brief' select * from t where a = 1 or b = 1; +id estRows task access object operator info +IndexMerge 19.99 root type: union +├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx_a(a) range:[1,1], keep order:false, stats:pseudo +├─IndexRangeScan(Build) 10.00 cop[tikv] table:t, index:idx_b(b) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 19.99 cop[tikv] table:t keep order:false, stats:pseudo +explain format = 'brief' select * from t where a = 1 or b = 1 limit 3; +id estRows task access object operator info +IndexMerge 3.00 root type: union, limit embedded(offset:0, count:3) +├─Limit(Build) 1.50 cop[tikv] offset:0, count:3 +│ └─IndexRangeScan 1.50 cop[tikv] table:t, index:idx_a(a) range:[1,1], keep order:false, stats:pseudo +├─Limit(Build) 1.50 cop[tikv] offset:0, count:3 +│ └─IndexRangeScan 1.50 cop[tikv] table:t, index:idx_b(b) range:[1,1], keep order:false, stats:pseudo +└─TableRowIDScan(Probe) 3.00 cop[tikv] table:t keep order:false, stats:pseudo +drop table if exists t1, t2; +CREATE TABLE t1(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +CREATE TABLE t2(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +INSERT INTO t1 values(1,NULL,NULL,null),(2,NULL,NULL,null),(3,NULL,NULL,null); +INSERT INTO t2 values(1,'a','aa','aaa'),(2,'b','bb','bbb'),(3,'c','cc','ccc'); +WITH tmp AS (SELECT t2.* FROM t2) SELECT * FROM t1 WHERE t1.id = (select id from tmp where id = 1) or t1.id = (select id from tmp where id = 2) or t1.id = (select id from tmp where id = 3); +id col1 col2 col3 +1 NULL NULL NULL +2 NULL NULL NULL +3 NULL NULL NULL +drop table if exists t1, t2; +CREATE TABLE t1 (a INT, b INT); +CREATE TABLE t2 (a INT, b INT); +INSERT INTO t1 VALUES (1, 1); +INSERT INTO t2 VALUES (1, 1); +SELECT one.a, one.b as b2 FROM t1 one ORDER BY (SELECT two.b FROM t2 two WHERE two.a = one.b); +a b2 +1 1 +CREATE TABLE ads_txn ( +`cusno` varchar(10) NOT NULL, +`txn_dt` varchar(8) NOT NULL, +`unn_trno` decimal(22,0) NOT NULL, +`aml_cntpr_accno` varchar(64) DEFAULT NULL, +`acpayr_accno` varchar(35) DEFAULT NULL, +PRIMARY KEY (`cusno`,`txn_dt`,`unn_trno`) NONCLUSTERED +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin +PARTITION BY LIST COLUMNS(`txn_dt`) +(PARTITION `p20000101` VALUES IN ('20000101'), +PARTITION `p20220101` VALUES IN ('20220101'), +PARTITION `p20230516` VALUES IN ('20230516')); +analyze table ads_txn; +set autocommit=OFF; +explain update ads_txn s set aml_cntpr_accno = trim(acpayr_accno) where s._tidb_rowid between 1 and 100000; +id estRows task access object operator info +Update_5 N/A root N/A +└─Projection_6 8000.00 root planner__core__issuetest__planner_issue.ads_txn.cusno, planner__core__issuetest__planner_issue.ads_txn.txn_dt, planner__core__issuetest__planner_issue.ads_txn.unn_trno, planner__core__issuetest__planner_issue.ads_txn.aml_cntpr_accno, planner__core__issuetest__planner_issue.ads_txn.acpayr_accno, planner__core__issuetest__planner_issue.ads_txn._tidb_rowid + └─SelectLock_7 8000.00 root for update 0 + └─TableReader_9 10000.00 root partition:all data:TableRangeScan_8 + └─TableRangeScan_8 10000.00 cop[tikv] table:s range:[1,100000], keep order:false, stats:pseudo +CREATE TABLE tb1 (cid INT, code INT, class VARCHAR(10)); +CREATE TABLE tb2 (cid INT, code INT, class VARCHAR(10)); +UPDATE tb1, (SELECT code AS cid, code, MAX(class) AS class FROM tb2 GROUP BY code) tb3 SET tb1.cid = tb3.cid, tb1.code = tb3.code, tb1.class = tb3.class; +CREATE TEMPORARY TABLE v0(v1 int); +INSERT INTO v0 WITH ta2 AS (TABLE v0) TABLE ta2 FOR UPDATE OF ta2; +create table tbl_39(col_239 year(4) not null default '2009', primary key(col_239), unique key idx_223(col_239), key idx_224(col_239)); +insert into tbl_39 values (1994),(1995),(1996),(1997); +explain select /*+ use_index_merge( tbl_39) */ col_239 from tbl_39 where not( tbl_39.col_239 not in ( '1994' ) ) and tbl_39.col_239 not in ( '2004' , '2010' , '2010' ) or not( tbl_39.col_239 <= '1996' ) and not( tbl_39.col_239 between '2026' and '2011' ) order by tbl_39.col_239 limit 382; +id estRows task access object operator info +Projection_8 382.00 root planner__core__issuetest__planner_issue.tbl_39.col_239 +└─Limit_15 382.00 root offset:0, count:382 + └─UnionScan_26 382.00 root or(and(not(not(eq(planner__core__issuetest__planner_issue.tbl_39.col_239, 1994))), not(in(planner__core__issuetest__planner_issue.tbl_39.col_239, 2004, 2010, 2010))), and(not(le(planner__core__issuetest__planner_issue.tbl_39.col_239, 1996)), not(and(ge(cast(planner__core__issuetest__planner_issue.tbl_39.col_239, double UNSIGNED BINARY), 2026), le(cast(planner__core__issuetest__planner_issue.tbl_39.col_239, double UNSIGNED BINARY), 2011))))) + └─IndexReader_29 382.00 root index:Selection_28 + └─Selection_28 382.00 cop[tikv] or(and(eq(planner__core__issuetest__planner_issue.tbl_39.col_239, 1994), not(in(planner__core__issuetest__planner_issue.tbl_39.col_239, 2004, 2010, 2010))), and(gt(planner__core__issuetest__planner_issue.tbl_39.col_239, 1996), or(lt(cast(planner__core__issuetest__planner_issue.tbl_39.col_239, double UNSIGNED BINARY), 2026), gt(cast(planner__core__issuetest__planner_issue.tbl_39.col_239, double UNSIGNED BINARY), 2011)))) + └─IndexRangeScan_27 477.50 cop[tikv] table:tbl_39, index:PRIMARY(col_239) range:[1994,1994], (1996,+inf], keep order:true, stats:pseudo +select /*+ use_index_merge( tbl_39) */ col_239 from tbl_39 where not( tbl_39.col_239 not in ( '1994' ) ) and tbl_39.col_239 not in ( '2004' , '2010' , '2010' ) or not( tbl_39.col_239 <= '1996' ) and not( tbl_39.col_239 between '2026' and '2011' ) order by tbl_39.col_239 limit 382; +col_239 +1994 +1997 +drop table if exists t, t1, t2; +create table t (id int,name varchar(10)); +insert into t values(1,'tt'); +create table t1(id int,name varchar(10),name1 varchar(10),name2 varchar(10)); +insert into t1 values(1,'tt','ttt','tttt'),(2,'dd','ddd','dddd'); +create table t2(id int,name varchar(10),name1 varchar(10),name2 varchar(10),`date1` date); +insert into t2 values(1,'tt','ttt','tttt','2099-12-31'),(2,'dd','ddd','dddd','2099-12-31'); +WITH bzzs AS ( +SELECT +count(1) AS bzn +FROM +t c +), +tmp1 AS ( +SELECT +t1.* +FROM +t1 +LEFT JOIN bzzs ON 1 = 1 +WHERE +name IN ('tt') +AND bzn <> 1 +), +tmp2 AS ( +SELECT +tmp1.*, +date('2099-12-31') AS endate +FROM +tmp1 +), +tmp3 AS ( +SELECT +* +FROM +tmp2 +WHERE +endate > CURRENT_DATE +UNION ALL +SELECT +'1' AS id, +'ss' AS name, +'sss' AS name1, +'ssss' AS name2, +date('2099-12-31') AS endate +FROM +bzzs t1 +WHERE +bzn = 1 +) +SELECT +c2.id, +c3.id +FROM +t2 db +LEFT JOIN tmp3 c2 ON c2.id = '1' +LEFT JOIN tmp3 c3 ON c3.id = '1'; +id id +1 1 +1 1 +drop table if exists t1, t2; +create table t1(a varchar(20) collate utf8mb4_bin, index ia(a)); +insert into t1 value('测试'),('测试 '); +explain format = brief select *,length(a) from t1 where a like '测试 %'; +id estRows task access object operator info +Projection 250.00 root planner__core__issuetest__planner_issue.t1.a, length(planner__core__issuetest__planner_issue.t1.a)->Column#3 +└─UnionScan 250.00 root like(planner__core__issuetest__planner_issue.t1.a, "测试 %", 92) + └─IndexReader 250.00 root index:Selection + └─Selection 250.00 cop[tikv] like(planner__core__issuetest__planner_issue.t1.a, "测试 %", 92) + └─IndexRangeScan 250.00 cop[tikv] table:t1, index:ia(a) range:["测试 ","测试!"), keep order:false, stats:pseudo +explain format = brief select *,length(a) from t1 where a like '测试'; +id estRows task access object operator info +Projection 10.00 root planner__core__issuetest__planner_issue.t1.a, length(planner__core__issuetest__planner_issue.t1.a)->Column#3 +└─UnionScan 10.00 root like(planner__core__issuetest__planner_issue.t1.a, "测试", 92) + └─IndexReader 10.00 root index:Selection + └─Selection 10.00 cop[tikv] like(planner__core__issuetest__planner_issue.t1.a, "测试", 92) + └─IndexRangeScan 10.00 cop[tikv] table:t1, index:ia(a) range:["测试","测试"], keep order:false, stats:pseudo +select *,length(a) from t1 where a like '测试 %'; +a length(a) +测试 8 +select *,length(a) from t1 where a like '测试'; +a length(a) +测试 6 +create table t2(a varchar(20) collate gbk_chinese_ci, index ia(a)); +insert into t2 value('测试'),('测试 '); +explain format = brief select *,length(a) from t2 where a like '测试 %'; +id estRows task access object operator info +Projection 8000.00 root planner__core__issuetest__planner_issue.t2.a, length(to_binary(planner__core__issuetest__planner_issue.t2.a))->Column#3 +└─UnionScan 8000.00 root like(planner__core__issuetest__planner_issue.t2.a, "测试 %", 92) + └─TableReader 8000.00 root data:Selection + └─Selection 8000.00 cop[tikv] like(planner__core__issuetest__planner_issue.t2.a, "测试 %", 92) + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +explain format = brief select *,length(a) from t2 where a like '测试'; +id estRows task access object operator info +Projection 8000.00 root planner__core__issuetest__planner_issue.t2.a, length(to_binary(planner__core__issuetest__planner_issue.t2.a))->Column#3 +└─UnionScan 8000.00 root like(planner__core__issuetest__planner_issue.t2.a, "测试", 92) + └─TableReader 8000.00 root data:Selection + └─Selection 8000.00 cop[tikv] like(planner__core__issuetest__planner_issue.t2.a, "测试", 92) + └─TableFullScan 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +select *,length(a) from t2 where a like '测试 %'; +a length(a) +测试 6 +select *,length(a) from t2 where a like '测试'; +a length(a) +测试 4 diff --git a/tests/integrationtest/r/planner/core/plan.result b/tests/integrationtest/r/planner/core/plan.result new file mode 100644 index 0000000000000..344e3c2796215 --- /dev/null +++ b/tests/integrationtest/r/planner/core/plan.result @@ -0,0 +1,436 @@ +drop table if exists t; +create table t (c1 int not null, c2 int not null, key idx_c2(c2)) partition by range (c2) (partition p0 values less than (10), partition p1 values less than (20)); +explain format='hint'select /*+ use_index(@`sel_2` `test`.`t2` `idx_c2`), hash_agg(@`sel_2`), use_index(@`sel_1` `test`.`t1` `idx_c2`), hash_agg(@`sel_1`) */ count(1) from t t1 where c2 in (select c2 from t t2 where t2.c2 < 15 and t2.c2 > 12); +hint +hash_agg(@`sel_1`), hash_agg(@`sel_2`), use_index(@`sel_2` `planner__core__plan`.`t2` `idx_c2`), no_order_index(@`sel_2` `planner__core__plan`.`t2` `idx_c2`), agg_to_cop(@`sel_2`), use_index(@`sel_1` `planner__core__plan`.`t1` `idx_c2`), no_order_index(@`sel_1` `planner__core__plan`.`t1` `idx_c2`), use_index(@`sel_2` `test`.`t2` `idx_c2`), use_index(@`sel_1` `test`.`t1` `idx_c2`) +drop table if exists tt; +create table tt (a int,b int, index(a), index(b)); +insert into tt values (1, 1), (2, 2), (3, 4); +explain select /*+nth_plan(4)*/ * from tt where a=1 and b=1; +id estRows task access object operator info +IndexLookUp_11 0.01 root +├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:tt, index:a(a) range:[1,1], keep order:false, stats:pseudo +└─Selection_10(Probe) 0.01 cop[tikv] eq(planner__core__plan.tt.b, 1) + └─TableRowIDScan_9 10.00 cop[tikv] table:tt keep order:false, stats:pseudo +Level Code Message +Warning 1105 The parameter of nth_plan() is out of range +drop table if exists t; +create table t (a int, b int, c int, index(a), index(b), index(a,b)); +explain format='hint' select * from t where a=1 and b=1; +hint +use_index(@`sel_1` `planner__core__plan`.`t` `a_2`), no_order_index(@`sel_1` `planner__core__plan`.`t` `a_2`) +explain format='hint' select /*+ nth_plan(1) */ * from t where a=1 and b=1; +hint +use_index(@`sel_1` `planner__core__plan`.`t` ), nth_plan(1) +explain format='hint' select /*+ nth_plan(2) */ * from t where a=1 and b=1; +hint +use_index(@`sel_1` `planner__core__plan`.`t` `a_2`), no_order_index(@`sel_1` `planner__core__plan`.`t` `a_2`), nth_plan(2) +explain format='hint' select /*+ nth_plan(3) */ * from t where a=1 and b=1; +hint +use_index(@`sel_1` `planner__core__plan`.`t` `a_2`), no_order_index(@`sel_1` `planner__core__plan`.`t` `a_2`), nth_plan(3) +Level Code Message +Warning 1105 The parameter of nth_plan() is out of range +explain format='hint' select /*+ nth_plan(500) */ * from t where a=1 and b=1; +hint +use_index(@`sel_1` `planner__core__plan`.`t` `a_2`), no_order_index(@`sel_1` `planner__core__plan`.`t` `a_2`), nth_plan(500) +Level Code Message +Warning 1105 The parameter of nth_plan() is out of range +explain format='hint' select /*+ nth_plan(1) nth_plan(2) */ * from t where a=1 and b=1; +hint +use_index(@`sel_1` `planner__core__plan`.`t` `a_2`), no_order_index(@`sel_1` `planner__core__plan`.`t` `a_2`), nth_plan(1), nth_plan(2) +Level Code Message +Warning 1105 NTH_PLAN() is defined more than once, only the last definition takes effect: NTH_PLAN(2) +insert into t values (1,1,1); +select /*+ nth_plan(1) */ * from t where a=1 and b=1; +a b c +1 1 1 +select /*+ nth_plan(2) */ * from t where a=1 and b=1; +a b c +1 1 1 +select /*+ nth_plan(1) */ * from tt where a=1 and b=1; +a b +1 1 +select /*+ nth_plan(2) */ * from tt where a=1 and b=1; +a b +1 1 +select /*+ nth_plan(3) */ * from tt where a=1 and b=1; +a b +1 1 +select /*+ nth_plan(1000) */ count(1) from t where (select count(1) from t, tt) > 1; +count(1) +1 +Level Code Message +Warning 1105 The parameter of nth_plan() is out of range +select /*+ nth_plan(1000) */ count(1) from t where exists (select count(1) from t, tt); +count(1) +1 +Level Code Message +Warning 1105 The parameter of nth_plan() is out of range +drop table if exists tt; +create table tt(a int, b int, key k((a+1)), key k1((a+1), b), key k2((a+1), b), key k3((a+1))); +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +explain format='brief' select * from tt where a+1 = 5 and b=3; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.tt.a, planner__core__plan.tt.b +└─IndexLookUp 0.10 root + ├─IndexRangeScan(Build) 0.10 cop[tikv] table:tt, index:k1(`a` + 1, b) range:[5 3,5 3], keep order:false, stats:pseudo + └─TableRowIDScan(Probe) 0.10 cop[tikv] table:tt keep order:false, stats:pseudo +insert into tt values(4, 3); +select * from tt where a+1 = 5 and b=3; +a b +4 3 +drop table if exists t1; +CREATE TABLE `t1` ( `a` varchar(10) DEFAULT NULL, `b` varchar(10) DEFAULT NULL, KEY `expression_index` ((concat(`a`, `b`))), KEY `expression_index_2` ((concat(`a`, `b`))), KEY `idx` ((concat(`a`, `b`)),`a`), KEY `idx1` (`a`,(concat(`a`, `b`))), KEY `idx2` (`a`,(concat(`a`, `b`)),`b`)); +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +explain format='brief' select * from t1 where concat(a, b) like "aadwa" and a = "a"; +id estRows task access object operator info +Projection 0.10 root planner__core__plan.t1.a, planner__core__plan.t1.b +└─IndexReader 0.10 root index:Selection + └─Selection 0.10 cop[tikv] like(concat(planner__core__plan.t1.a, planner__core__plan.t1.b), "aadwa", 92) + └─IndexRangeScan 0.10 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["a" "aadwa","a" "aadwa"], keep order:false, stats:pseudo +explain format='brief' select b from t1 where concat(a, b) >= "aa" and a = "b"; +id estRows task access object operator info +Projection 33.33 root planner__core__plan.t1.b +└─IndexReader 33.33 root index:IndexRangeScan + └─IndexRangeScan 33.33 cop[tikv] table:t1, index:idx2(a, concat(`a`, `b`), b) range:["b" "aa","b" +inf], keep order:false, stats:pseudo +insert into t1 values("a", "adwa"); +select * from t1 where concat(a, b) like "aadwa" and a = "a"; +a b +a adwa +drop table if exists c; +drop table if exists o; +create table c(c_id bigint); +create table o(o_id bigint, c_id bigint); +insert into c values(1),(2),(3),(4),(5); +insert into o values(1,1),(2,1),(3,2),(4,2),(5,2); +set @@tidb_opt_agg_push_down=1; +select count(*) from c left join o on c.c_id=o.c_id; +count(*) +8 +select count(c.c_id) from c left join o on c.c_id=o.c_id; +count(c.c_id) +8 +select count(o.c_id) from c left join o on c.c_id=o.c_id; +count(o.c_id) +5 +select sum(o.c_id is null) from c left join o on c.c_id=o.c_id; +sum(o.c_id is null) +3 +select count(*) from c right join o on c.c_id=o.c_id; +count(*) +5 +select count(o.c_id) from c right join o on c.c_id=o.c_id; +count(o.c_id) +5 +set @@tidb_opt_agg_push_down=0; +select count(*) from c left join o on c.c_id=o.c_id; +count(*) +8 +select count(c.c_id) from c left join o on c.c_id=o.c_id; +count(c.c_id) +8 +select count(o.c_id) from c left join o on c.c_id=o.c_id; +count(o.c_id) +5 +select sum(o.c_id is null) from c left join o on c.c_id=o.c_id; +sum(o.c_id is null) +3 +select count(*) from c right join o on c.c_id=o.c_id; +count(*) +5 +select count(o.c_id) from c right join o on c.c_id=o.c_id; +count(o.c_id) +5 +set @@tidb_opt_agg_push_down=DEFAULT; +CREATE VIEW v0(c0) AS SELECT NULL; +SELECT v0.c0 FROM v0 WHERE (v0.c0 IS NULL) LIKE(NULL); +c0 +SELECT v0.c0 FROM (SELECT null as c0) v0 WHERE (v0.c0 IS NULL) like (NULL); +c0 +CREATE TABLE t0(c0 BOOL, PRIMARY KEY(c0)); +INSERT INTO t0 VALUES (FALSE); +SELECT * FROM t0 WHERE NOT (('4')AND(t0.c0<=>FALSE)); +c0 +explain SELECT * FROM t0 WHERE NOT (('4')AND(t0.c0<=>FALSE)); +id estRows task access object operator info +TableReader_7 8000.00 root data:Selection_6 +└─Selection_6 8000.00 cop[tikv] or(0, not(nulleq(planner__core__plan.t0.c0, 0))) + └─TableFullScan_5 10000.00 cop[tikv] table:t0 keep order:false, stats:pseudo +SELECT * FROM t0 WHERE (('4')AND(t0.c0<=>FALSE)); +c0 +0 +explain SELECT * FROM t0 WHERE (('4')AND(t0.c0<=>FALSE)); +id estRows task access object operator info +Point_Get_5 1.00 root table:t0 handle:0 +drop table if exists t0, t1; +CREATE TABLE t0(c0 BLOB(5), c1 BLOB(5)); +CREATE TABLE t1 (c0 BOOL); +INSERT INTO t1 VALUES(false); +INSERT INTO t0(c0, c1) VALUES ('>', true); +SELECT * FROM t0 LEFT OUTER JOIN t1 ON NULL; +c0 c1 c0 +> 1 NULL +SELECT NOT '2' =(t1.c0 AND t0.c1 IS NULL) FROM t0 LEFT OUTER JOIN t1 ON NULL; +NOT '2' =(t1.c0 AND t0.c1 IS NULL) +1 +SELECT * FROM t0 LEFT JOIN t1 ON NULL WHERE NOT '2' =(t1.c0 AND t0.c1 IS NULL); +c0 c1 c0 +> 1 NULL +SELECT * FROM t0 LEFT JOIN t1 ON NULL WHERE t1.c0 or true; +c0 c1 c0 +> 1 NULL +SELECT * FROM t0 LEFT JOIN t1 ON NULL WHERE not(t1.c0 and false); +c0 c1 c0 +> 1 NULL +CREATE TABLE t2(c0 INT); +CREATE TABLE t3(c0 INT); +INSERT INTO t3 VALUES (1); +SELECT ((NOT ('i'))AND(t2.c0)) IS NULL FROM t2 RIGHT JOIN t3 ON t3.c0; +((NOT ('i'))AND(t2.c0)) IS NULL +1 +SELECT * FROM t2 RIGHT JOIN t3 ON t2.c0 WHERE ((NOT ('i'))AND(t2.c0)) IS NULL; +c0 c0 +NULL 1 +drop table if exists t; +create table t (a int, b int, c int, d int, key(a)); +create index hypo_a type hypo on t (a); +create index hypo_bc type hypo on t (b, c); +show create table t; +Table Create Table +t CREATE TABLE `t` ( + `a` int(11) DEFAULT NULL, + `b` int(11) DEFAULT NULL, + `c` int(11) DEFAULT NULL, + `d` int(11) DEFAULT NULL, + KEY `a` (`a`), + KEY `hypo_a` (`a`) /* HYPO INDEX */, + KEY `hypo_bc` (`b`,`c`) /* HYPO INDEX */ +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin +drop hypo index hypo_a on t; +drop hypo index hypo_bc on t; +show create table t; +Table Create Table +t CREATE TABLE `t` ( + `a` int(11) DEFAULT NULL, + `b` int(11) DEFAULT NULL, + `c` int(11) DEFAULT NULL, + `d` int(11) DEFAULT NULL, + KEY `a` (`a`) +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin +drop table if exists t; +create table t (a int); +explain select a from t where a = 1; +id estRows task access object operator info +TableReader_7 10.00 root data:Selection_6 +└─Selection_6 10.00 cop[tikv] eq(planner__core__plan.t.a, 1) + └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +create index hypo_a type hypo on t (a); +explain select a from t where a = 1; +id estRows task access object operator info +IndexReader_6 10.00 root index:IndexRangeScan_5 +└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:hypo_a(a) range:[1,1], keep order:false, stats:pseudo +drop hypo index hypo_a on t; +create unique index hypo_a type hypo on t (a); +explain select a from t where a = 1; +id estRows task access object operator info +Point_Get_5 1.00 root table:t, index:hypo_a(a) +drop table if exists t; +create table t (a int); +explain select a from t; +id estRows task access object operator info +IndexReader_7 10000.00 root index:IndexFullScan_6 +└─IndexFullScan_6 10000.00 cop[tikv] table:t, index:hypo_a(a) keep order:false, stats:pseudo +alter table t set hypo tiflash replica 1; +explain select a from t; +id estRows task access object operator info +TableReader_14 10000.00 root MppVersion: 2, data:ExchangeSender_13 +└─ExchangeSender_13 10000.00 mpp[tiflash] ExchangeType: PassThrough + └─TableFullScan_12 10000.00 mpp[tiflash] table:t keep order:false, stats:pseudo +alter table t set hypo tiflash replica 0; +explain select a from t; +id estRows task access object operator info +IndexReader_7 10000.00 root index:IndexFullScan_6 +└─IndexFullScan_6 10000.00 cop[tikv] table:t, index:hypo_a(a) keep order:false, stats:pseudo +drop table if exists t; +CREATE TABLE t (c1 mediumint(9) DEFAULT '-4747160',c2 year(4) NOT NULL DEFAULT '2075',c3 double DEFAULT '1.1559030660251948',c4 enum('wbv4','eli','d8ym','m3gsx','lz7td','o','d1k7l','y1x','xcxq','bj','n7') DEFAULT 'xcxq',c5 int(11) DEFAULT '255080866',c6 tinyint(1) DEFAULT '1',PRIMARY KEY (c2),KEY `c4d86d54-091c-4307-957b-b164c9652b7f` (c6,c4) ); +insert into t values (-4747160, 2075, 722.5719203870632, 'xcxq', 1576824797, 1); +select /*+ stream_agg() */ bit_or(t.c5) as r0 from t where t.c3 in (select c6 from t where not(t.c6 <> 1) and not(t.c3 in(9263.749352636818))) group by t.c1; +r0 +affected rows: 0 +info: +drop table if exists t1; +drop table if exists t2; +CREATE TABLE `t1`(`c1` bigint(20) NOT NULL DEFAULT '-2312745469307452950', `c2` datetime DEFAULT '5316-02-03 06:54:49', `c3` tinyblob DEFAULT NULL, PRIMARY KEY (`c1`) /*T![clustered_index] CLUSTERED */) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin; +CREATE TABLE `t2`(`c1` set('kn8pu','7et','vekx6','v3','liwrh','q14','1met','nnd5i','5o0','8cz','l') DEFAULT '7et,vekx6,liwrh,q14,1met', `c2` float DEFAULT '1.683167', KEY `k1` (`c2`,`c1`), KEY `k2` (`c2`)) ENGINE=InnoDB DEFAULT CHARSET=gbk COLLATE=gbk_chinese_ci; +(select /*+ agg_to_cop()*/ locate(t1.c3, t1.c3) as r0, t1.c3 as r1 from t1 where not( IsNull(t1.c1)) order by r0,r1) union all (select concat_ws(',', t2.c2, t2.c1) as r0, t2.c1 as r1 from t2 order by r0, r1) order by 1 limit 273; +r0 r1 +affected rows: 0 +info: +drop table if exists golang1, golang2; +CREATE TABLE golang1 ( `fcbpdt` CHAR (8) COLLATE utf8_general_ci NOT NULL, `fcbpsq` VARCHAR (20) COLLATE utf8_general_ci NOT NULL, `procst` char (4) COLLATE utf8_general_ci DEFAULT NULL,`cipstx` VARCHAR (105) COLLATE utf8_general_ci DEFAULT NULL, `cipsst` CHAR (4) COLLATE utf8_general_ci DEFAULT NULL, `dyngtg` VARCHAR(4) COLLATE utf8_general_ci DEFAULT NULL, `blncdt` VARCHAR (8) COLLATE utf8_general_ci DEFAULT NULL, PRIMARY KEY ( fcbpdt, fcbpsq )); +insert into golang1 values('20230925','12023092502158016','abc','','','',''); +create table golang2 (`sysgrp` varchar(20) NOT NULL,`procst` varchar(8) NOT NULL,`levlid` int(11) NOT NULL,PRIMARY key (procst));; +insert into golang2 VALUES('COMMON','ACSC',90); +insert into golang2 VALUES('COMMON','abc',8); +insert into golang2 VALUES('COMMON','CH02',6); +UPDATE golang1 a SET procst =(CASE WHEN ( SELECT levlid FROM golang2 b WHERE b.sysgrp = 'COMMON' AND b.procst = 'ACSC' ) > ( SELECT levlid FROM golang2 c WHERE c.sysgrp = 'COMMON' AND c.procst = a.procst ) THEN 'ACSC' ELSE a.procst END ), cipstx = 'CI010000', cipsst = 'ACSC', dyngtg = 'EAYT', blncdt= '20230925' WHERE fcbpdt = '20230925' AND fcbpsq = '12023092502158016'; +select * from golang1; +fcbpdt fcbpsq procst cipstx cipsst dyngtg blncdt +20230925 12023092502158016 ACSC CI010000 ACSC EAYT 20230925 +UPDATE golang1 a SET procst= (SELECT 1 FROM golang2 c WHERE c.procst = a.procst) WHERE fcbpdt = '20230925' AND fcbpsq = '12023092502158016'; +select * from golang1; +fcbpdt fcbpsq procst cipstx cipsst dyngtg blncdt +20230925 12023092502158016 1 CI010000 ACSC EAYT 20230925 +EXPLAIN FORMAT = TRADITIONAL ((VALUES ROW ()) ORDER BY 1); +Error 1051 (42S02): Unknown table '' diff --git a/tests/integrationtest/t/planner/core/issuetest/planner_issue.test b/tests/integrationtest/t/planner/core/issuetest/planner_issue.test new file mode 100644 index 0000000000000..372e9eb8a67a6 --- /dev/null +++ b/tests/integrationtest/t/planner/core/issuetest/planner_issue.test @@ -0,0 +1,153 @@ +# TestIssue43178 +CREATE TABLE aa311c3c ( + 57fd8d09 year(4) DEFAULT '1913', + afbdd7c3 char(220) DEFAULT 'gakkl6occ0yd2jmhi2qxog8szibtcqwxyxmga3hp4ktszjplmg3rjvu8v6lgn9q6hva2lekhw6napjejbut6svsr8q2j8w8rc551e5vq', + 43b06e99 date NOT NULL DEFAULT '3403-10-08', + b80b3746 tinyint(4) NOT NULL DEFAULT '34', + 6302d8ac timestamp DEFAULT '2004-04-01 18:21:18', + PRIMARY KEY (43b06e99,b80b3746) /*T![clustered_index] CLUSTERED */, + KEY 3080c821 (57fd8d09,43b06e99,b80b3746), + KEY a9af33a4 (57fd8d09,b80b3746,43b06e99), + KEY 464b386e (b80b3746), + KEY 19dc3c2d (57fd8d09) + ) ENGINE=InnoDB DEFAULT CHARSET=ascii COLLATE=ascii_bin COMMENT='320f8401'; +explain select /*+ use_index_merge( `aa311c3c` ) */ `aa311c3c`.`43b06e99` as r0 , `aa311c3c`.`6302d8ac` as r1 from `aa311c3c` where IsNull( `aa311c3c`.`b80b3746` ) or not( `aa311c3c`.`57fd8d09` >= '2008' ) order by r0,r1 limit 95; + +# TestIssue43645 +CREATE TABLE t1(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +CREATE TABLE t2(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +INSERT INTO t1 values(1,NULL,NULL,null),(2,NULL,NULL,null),(3,NULL,NULL,null); +INSERT INTO t2 values(1,'a','aa','aaa'),(2,'b','bb','bbb'),(3,'c','cc','ccc'); +WITH tmp AS (SELECT t2.* FROM t2) select (SELECT tmp.col1 FROM tmp WHERE tmp.id=t1.id ) col1, (SELECT tmp.col2 FROM tmp WHERE tmp.id=t1.id ) col2, (SELECT tmp.col3 FROM tmp WHERE tmp.id=t1.id ) col3 from t1; + +# TestIssue29221 +set tidb_enable_index_merge=on; +drop table if exists t; +create table t(a int, b int, index idx_a(a), index idx_b(b)); +set @@session.sql_select_limit=3; +explain format = 'brief' select * from t where a = 1 or b = 1; +explain format = 'brief' select /*+ use_index_merge(t) */ * from t where a = 1 or b = 1; +set @@session.sql_select_limit=18446744073709551615; +explain format = 'brief' select * from t where a = 1 or b = 1; +explain format = 'brief' select * from t where a = 1 or b = 1 limit 3; + +# TestIssue44051 +drop table if exists t1, t2; +CREATE TABLE t1(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +CREATE TABLE t2(id int,col1 varchar(10),col2 varchar(10),col3 varchar(10)); +INSERT INTO t1 values(1,NULL,NULL,null),(2,NULL,NULL,null),(3,NULL,NULL,null); +INSERT INTO t2 values(1,'a','aa','aaa'),(2,'b','bb','bbb'),(3,'c','cc','ccc'); +WITH tmp AS (SELECT t2.* FROM t2) SELECT * FROM t1 WHERE t1.id = (select id from tmp where id = 1) or t1.id = (select id from tmp where id = 2) or t1.id = (select id from tmp where id = 3); + +# TestIssue42732 +drop table if exists t1, t2; +CREATE TABLE t1 (a INT, b INT); +CREATE TABLE t2 (a INT, b INT); +INSERT INTO t1 VALUES (1, 1); +INSERT INTO t2 VALUES (1, 1); +SELECT one.a, one.b as b2 FROM t1 one ORDER BY (SELECT two.b FROM t2 two WHERE two.a = one.b); + +# TestIssue45036 +CREATE TABLE ads_txn ( + `cusno` varchar(10) NOT NULL, + `txn_dt` varchar(8) NOT NULL, + `unn_trno` decimal(22,0) NOT NULL, + `aml_cntpr_accno` varchar(64) DEFAULT NULL, + `acpayr_accno` varchar(35) DEFAULT NULL, + PRIMARY KEY (`cusno`,`txn_dt`,`unn_trno`) NONCLUSTERED +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin +PARTITION BY LIST COLUMNS(`txn_dt`) +(PARTITION `p20000101` VALUES IN ('20000101'), +PARTITION `p20220101` VALUES IN ('20220101'), +PARTITION `p20230516` VALUES IN ('20230516')); +analyze table ads_txn; +set autocommit=OFF; +explain update ads_txn s set aml_cntpr_accno = trim(acpayr_accno) where s._tidb_rowid between 1 and 100000; + +# TestIssue45758 +CREATE TABLE tb1 (cid INT, code INT, class VARCHAR(10)); +CREATE TABLE tb2 (cid INT, code INT, class VARCHAR(10)); +UPDATE tb1, (SELECT code AS cid, code, MAX(class) AS class FROM tb2 GROUP BY code) tb3 SET tb1.cid = tb3.cid, tb1.code = tb3.code, tb1.class = tb3.class; + +# TestIssue46083 +CREATE TEMPORARY TABLE v0(v1 int); +INSERT INTO v0 WITH ta2 AS (TABLE v0) TABLE ta2 FOR UPDATE OF ta2; + +# TestIssue46005 +create table tbl_39(col_239 year(4) not null default '2009', primary key(col_239), unique key idx_223(col_239), key idx_224(col_239)); +insert into tbl_39 values (1994),(1995),(1996),(1997); +explain select /*+ use_index_merge( tbl_39) */ col_239 from tbl_39 where not( tbl_39.col_239 not in ( '1994' ) ) and tbl_39.col_239 not in ( '2004' , '2010' , '2010' ) or not( tbl_39.col_239 <= '1996' ) and not( tbl_39.col_239 between '2026' and '2011' ) order by tbl_39.col_239 limit 382; +select /*+ use_index_merge( tbl_39) */ col_239 from tbl_39 where not( tbl_39.col_239 not in ( '1994' ) ) and tbl_39.col_239 not in ( '2004' , '2010' , '2010' ) or not( tbl_39.col_239 <= '1996' ) and not( tbl_39.col_239 between '2026' and '2011' ) order by tbl_39.col_239 limit 382; + +# https://github.com/pingcap/tidb/issues/47881 +drop table if exists t, t1, t2; +create table t (id int,name varchar(10)); +insert into t values(1,'tt'); +create table t1(id int,name varchar(10),name1 varchar(10),name2 varchar(10)); +insert into t1 values(1,'tt','ttt','tttt'),(2,'dd','ddd','dddd'); +create table t2(id int,name varchar(10),name1 varchar(10),name2 varchar(10),`date1` date); +insert into t2 values(1,'tt','ttt','tttt','2099-12-31'),(2,'dd','ddd','dddd','2099-12-31'); +WITH bzzs AS ( + SELECT + count(1) AS bzn + FROM + t c +), +tmp1 AS ( + SELECT + t1.* + FROM + t1 + LEFT JOIN bzzs ON 1 = 1 + WHERE + name IN ('tt') + AND bzn <> 1 +), +tmp2 AS ( + SELECT + tmp1.*, + date('2099-12-31') AS endate + FROM + tmp1 +), +tmp3 AS ( + SELECT + * + FROM + tmp2 + WHERE + endate > CURRENT_DATE + UNION ALL + SELECT + '1' AS id, + 'ss' AS name, + 'sss' AS name1, + 'ssss' AS name2, + date('2099-12-31') AS endate + FROM + bzzs t1 + WHERE + bzn = 1 +) +SELECT + c2.id, + c3.id +FROM + t2 db + LEFT JOIN tmp3 c2 ON c2.id = '1' + LEFT JOIN tmp3 c3 ON c3.id = '1'; + +# https://github.com/pingcap/tidb/issues/48821 +drop table if exists t1, t2; +create table t1(a varchar(20) collate utf8mb4_bin, index ia(a)); +insert into t1 value('测试'),('测试 '); +explain format = brief select *,length(a) from t1 where a like '测试 %'; +explain format = brief select *,length(a) from t1 where a like '测试'; +select *,length(a) from t1 where a like '测试 %'; +select *,length(a) from t1 where a like '测试'; +create table t2(a varchar(20) collate gbk_chinese_ci, index ia(a)); +insert into t2 value('测试'),('测试 '); +explain format = brief select *,length(a) from t2 where a like '测试 %'; +explain format = brief select *,length(a) from t2 where a like '测试'; +select *,length(a) from t2 where a like '测试 %'; +select *,length(a) from t2 where a like '测试'; diff --git a/util/ranger/checker.go b/util/ranger/checker.go index 0468d3c92472e..1bfb248d739e1 100644 --- a/util/ranger/checker.go +++ b/util/ranger/checker.go @@ -15,11 +15,21 @@ package ranger import ( +<<<<<<< HEAD:util/ranger/checker.go "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/parser/ast" "github.com/pingcap/tidb/parser/mysql" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/collate" +======= + "github.com/pingcap/tidb/pkg/expression" + "github.com/pingcap/tidb/pkg/parser/ast" + "github.com/pingcap/tidb/pkg/parser/charset" + "github.com/pingcap/tidb/pkg/parser/mysql" + "github.com/pingcap/tidb/pkg/sessionctx" + "github.com/pingcap/tidb/pkg/types" + "github.com/pingcap/tidb/pkg/util/collate" +>>>>>>> 27d2ba5fdfb (util/ranger: add missing `Selection` for range scan from `like` on PAD SPACE column (#48845)):pkg/util/ranger/checker.go ) // conditionChecker checks if this condition can be pushed to index planner. @@ -166,11 +176,22 @@ func (c *conditionChecker) checkLikeFunc(scalar *expression.ScalarFunction) (isA if err != nil { return false, true } + likeFuncReserve := !c.isFullLengthColumn() + + // Different from `=`, trailing spaces are always significant, and can't be ignored in `like`. + // In tidb's implementation, for PAD SPACE collations, the trailing spaces are removed in the index key. So we are + // unable to distinguish 'xxx' from 'xxx ' by a single index range scan, and we may read more data than needed by + // the `like` function. Therefore, a Selection is needed to filter the data. + // Since all collations, except for binary, implemented in tidb are PAD SPACE collations for now, we use a simple + // collation != binary check here. + if collation != charset.CollationBin { + likeFuncReserve = true + } + if len(patternStr) == 0 { - return true, !c.isFullLengthColumn() + return true, likeFuncReserve } escape := byte(scalar.GetArgs()[2].(*expression.Constant).Value.GetInt64()) - likeFuncReserve := !c.isFullLengthColumn() for i := 0; i < len(patternStr); i++ { if patternStr[i] == escape { i++ diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 3ff16f32a44da..e7ddad57562c7 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1416,7 +1416,7 @@ create table t( indexPos: 0, exprStr: `a LIKE 'abc%'`, accessConds: `[like(test.t.a, abc%, 92)]`, - filterConds: "[]", + filterConds: "[like(test.t.a, abc%, 92)]", resultStr: "[[\"abc\",\"abd\")]", }, { @@ -1430,14 +1430,14 @@ create table t( indexPos: 0, exprStr: "a LIKE 'abc'", accessConds: "[like(test.t.a, abc, 92)]", - filterConds: "[]", + filterConds: "[like(test.t.a, abc, 92)]", resultStr: "[[\"abc\",\"abc\"]]", }, { indexPos: 0, exprStr: `a LIKE "ab\_c"`, accessConds: "[like(test.t.a, ab\\_c, 92)]", - filterConds: "[]", + filterConds: "[like(test.t.a, ab\\_c, 92)]", resultStr: "[[\"ab_c\",\"ab_c\"]]", }, { @@ -1451,22 +1451,32 @@ create table t( indexPos: 0, exprStr: `a LIKE '\%a'`, accessConds: "[like(test.t.a, \\%a, 92)]", - filterConds: "[]", + filterConds: "[like(test.t.a, \\%a, 92)]", resultStr: `[["%a","%a"]]`, }, { indexPos: 0, exprStr: `a LIKE "\\"`, accessConds: "[like(test.t.a, \\, 92)]", +<<<<<<< HEAD:util/ranger/ranger_test.go filterConds: "[]", resultStr: "[[\"\\\",\"\\\"]]", +======= + filterConds: "[like(test.t.a, \\, 92)]", + resultStr: "[[\"\\\\\",\"\\\\\"]]", +>>>>>>> 27d2ba5fdfb (util/ranger: add missing `Selection` for range scan from `like` on PAD SPACE column (#48845)):pkg/util/ranger/ranger_test.go }, { indexPos: 0, exprStr: `a LIKE "\\\\a%"`, accessConds: `[like(test.t.a, \\a%, 92)]`, +<<<<<<< HEAD:util/ranger/ranger_test.go filterConds: "[]", resultStr: "[[\"\\a\",\"\\b\")]", +======= + filterConds: "[like(test.t.a, \\\\a%, 92)]", + resultStr: "[[\"\\\\a\",\"\\\\b\")]", +>>>>>>> 27d2ba5fdfb (util/ranger: add missing `Selection` for range scan from `like` on PAD SPACE column (#48845)):pkg/util/ranger/ranger_test.go }, { indexPos: 0,