executor: add test cases about partition table with expression
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ti-chi-bot
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mjonss
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May 13, 2021
| }, | ||
| }, | ||
| { | ||
| sql: "select * from %s where a = 2 and a = 2", |
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Should this be simplified by the optimiser before the pruning module is called? I am just curious :)
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Emm, actually no, there is no such a process in our optimizer to remove duplicated conditions.
They will be naturally handled in range calculation where all conditions are analyzed to generate some ranges to access. And in this case, the final range is [2, 2].
| if len(partitions) == 0 && strings.Contains(rs.rows[i][3], "partition:") { | ||
| ok = false | ||
| } | ||
| if len(partitions) != 0 && strings.Compare(rs.rows[i][3], "partition:"+partitions) == 0 { |
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While changing this, maybe use '==' for string comparison instead?
(See comment in strings.Compare() function)
Also how would it handle the 'table:' part in the access object column (in case tidb_partition_prune_mode is not 'dynamic'?
explain select * from trange where a = 2 and a = 2
--------------
+-------------------------+----------+-----------+----------------------------+--------------------------------------------+
| id | estRows | task | access object | operator info |
+-------------------------+----------+-----------+----------------------------+--------------------------------------------+
| TableReader_9 | 10.00 | root | | data:Selection_8 |
| └─Selection_8 | 10.00 | cop[tikv] | | eq(test.trange.a, 2), eq(test.trange.a, 2) |
| └─TableFullScan_7 | 10000.00 | cop[tikv] | table:trange, partition:p0 | keep order:false, stats:pseudo |
+-------------------------+----------+-----------+----------------------------+--------------------------------------------+
|
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qw4990
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May 14, 2021
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/lgtm |
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This pull request has been accepted and is ready to merge. Commit hash: ef68de0
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May 17, 2021
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May 21, 2021
…ingcap#24052) * *: fix revoke statement for CURRENT_USER() and refine error message planner: support set tidb_allow_mpp to `2` or `ENFORCE` to enforce use mpp mode. (pingcap#24516) store/tikv: remove use of SchemaAmender option in store/tikv (pingcap#24408) *: the value of tikv-client.store-liveness-timeout should not less than 0 (pingcap#24244) store/tikv: remove use of EnableAsyncCommit option in store/tikv (pingcap#24462) txn: Add txn state's view (pingcap#22908) planner: ignore lock for temporary table of PointGet and BatchPointGet (pingcap#24540) store/tikv: remove use of ReplicaRead transaction option in store/tikv (pingcap#24409) store/driver: move error to single package (pingcap#24549) ddl: add check table compatibility for temporary table (pingcap#24501) store/tikv: remove use of IsStatenessReadOnly option in store/tikv (pingcap#24464) store/tikv: change backoff type for missed tiflash peer. (pingcap#24577) store/tikv: remove use of MatchStoreLabels transaction option in store/tikv (pingcap#24465) executor, meta: Allocate auto id for global temporary tables (pingcap#24506) store/tikv: remove use of SampleStep option in store/tikv (pingcap#24461) executor: add partition pruning tests for adding and dropping partition operations (pingcap#24573) ddl: forbid partition on temporary mode before put into queue (pingcap#24565) ddl: speedup test case TestIndexOnMultipleGeneratedColumn (pingcap#24487) execution: Fix issue 24439 Inconsistent error with MySQL for GRANT CREATE USER ON <specific db>.* (pingcap#24485) *: fix errcheck (pingcap#24463) test: make TestExtractStartTs stable (pingcap#24585) ddl: forbid recover/flashback temporary tables (pingcap#24518) executor: fix point_get result on clustered index when new-row-format disabled but new-collation enabled (pingcap#24544) executor: Improve the performance of appending not fixed columns (pingcap#20969) *: typo fix (pingcap#24564) planner/core: refresh stale regions in cache for batch cop response (pingcap#24457) binlog: DML on temporary tables do not write binlog (pingcap#24570) store/tikv: remove use of GuaranteeLinearizability option in store/tikv (pingcap#24605) store/tikv: remove use of CollectRuntimeStats option in store/tikv (pingcap#24604) store/tikv: move Backoffer into a single package (pingcap#24525) variables: init cte max recursive deeps in a new session (pingcap#24609) store/tikv: move transaction options out to /kv (pingcap#24619) store/driver: move backoff driver into single package so we can use i… (pingcap#24624) server: close the temporary session in HTTP API to avoid memory leak (pingcap#24339) store/tikv: use latest PD TS plus one as min commit ts (pingcap#24579) planner: fix incorrect TableDual plan built from nulleq (pingcap#24596) ranger: fix the case which could have duplicate ranges (pingcap#24590) executor, store: Pass the SQL digest down to pessimistic lock request (pingcap#24380) kv: remove UnionStore interface (pingcap#24625) *: enable gosimple linter (pingcap#24617) txn: avoid the gc resolving pessimistic locks of ongoing transactions (pingcap#24601) util: fix wrong enum building for index range (pingcap#24632) sessionctx: change innodb large prefix default (pingcap#24555) store: fix data race about KVStore.tikvClient (pingcap#24655) executor, privileges: Add dynamic privileges to SHOW PRIVILEGES (pingcap#24646) ddl: refactor rule [4/6] (pingcap#24007) cmd: ddl_test modify retryCnt from 5 to 20 (pingcap#24662) executor: add correctness tests about direct reading with ORDER BY and LIMIT (pingcap#24455) store/tikv: remove options from unionstore (pingcap#24629) planner: fix wrongly check for update statement (pingcap#24614) store/tikv: remove CompareTS (pingcap#24657) planner, privilege: Add security enhanced mode part 4 (pingcap#24416) executor: add some test cases about partition table dynamic-mode with split-region (pingcap#24665) planner: fix wrong column offsets when processing dynamic pruning for IndexJoin (pingcap#24659) *: Add security enhanced mode part 3 (pingcap#24412) store/tikv: resolve ReplicaReadType dependencies (pingcap#24653) executor: add test cases about partition table with `expression` (pingcap#24628) tablecodec: fix write wrong prefix index value when collation is ascii_bin/latin1_bin (pingcap#24578) *: compatibility with staleread (pingcap#24285) session: test that temporary tables will also be retried (pingcap#24505) domain, session: Add new sysvarcache to replace global values cache (pingcap#24359) ddl, transaction: DDL on temporary tables won't affect transactions (pingcap#24534) *: implement tidb_bounded_staleness built-in function (pingcap#24328) executor: add correctness tests for partition table with different joins (pingcap#24673) expression: fix the spelling of word arithmetical (pingcap#24713) store/copr: balance region for batch cop task (pingcap#24521) store, metrics: Add metrics for safetTS updating (pingcap#24687) sem: add tidbredact log to restricted variables (pingcap#24701) session: fix dml_batch_size doesn't load the global variable (pingcap#24710) store/tikv: retry TSO RPC (pingcap#24682) expression, planner: push cast down to control function with enum type. (pingcap#24542) executor: add correctness tests about IndexMerge (pingcap#24674) variable: change default for DefDMLBatchSize tidbOptInt64 call (pingcap#24697) planner: add partitioning pruning tests for range partitioning (pingcap#24554) *: add option for enum push down (pingcap#24685) txn: break dependency from store/tikv to tidb/kv cause by TransactionOption (pingcap#24656) executor: enhancement for ListInDisk(support writing after reading) (pingcap#24379) kv: move TxnScope into kv (pingcap#24715) execution: fix the incorrect use of cached plan for point get (pingcap#24749) executor: add correctness tests about direct reading with indexJoin (pingcap#24497) variable: fix sysvar datarace with deep copy (pingcap#24732) *: Implementing RENAME USER (pingcap#24413) infoschema, executor: Add the deadlock table (pingcap#24524) docs: Some proposal for renaming and configurations for Lock View (pingcap#24718) planner: add range partition boundaries tests with BETWEEN expression (pingcap#24598) oracle: simplify timestamp utilities (pingcap#24688) executor: fix wrong enum key in point get (pingcap#24618) ranger: fix incorrect enum range for xxx_ci collation (pingcap#24661) executor: add some test cases about dynamic-mode and apply operator (pingcap#24683) store/tikv: remove Variables.Hook (pingcap#24758) ddl: speed up the execution time of `TestBackwardCompatibility`. (pingcap#24704) *: prepare errors for CTE (pingcap#24763) expression: support cast real/int as real (pingcap#24670) executor: add table name in log (pingcap#24666) expression: add builtin function ``json_pretty`` (pingcap#24675) ddl: make `TestDropLastVisibleColumns` stable (pingcap#24790) * ddl: make `TestDropLastVisibleColumns` stable *: support AS OF TIMESTAMP read-only begin statement (pingcap#24740) executor: Fix unstable TestTiDBLastTxnInfoCommitMode (pingcap#24779) planner: add tests for partition range boundaries for LT/GT (pingcap#24574) test: record random seed in TestIssue20658 (pingcap#24782) store/tikv/retry: define Config instead of BackoffType (pingcap#24692) config: ignore tiflash when show config (pingcap#24770) privileges: improve dynamic privs registration and tests (pingcap#24773) README: remove the link of TiDB Monthly Update (pingcap#24791) region_cache: filter peers on tombstone or dropped stores (pingcap#24726) util/stmtsummary: remove import package tikv (pingcap#24776) ddl: grammar check for create unsupported temporary table (pingcap#24723) *: update go.etcd.io/bbolt (pingcap#24799) ddl: speed up the execution time of `ddl test` and `Test Chunk pingcap#7 ddl-other` (pingcap#24780) executor: remove the unnecessary use of fmt.Sprintf (pingcap#24815) executor: fix index join panic on prefix index on some cases (pingcap#24568)
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What problem does this PR solve?
add test cases about partition table with
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