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statistics: add multi-column index test cases for global-statas #23265

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merged 3 commits into from
Mar 12, 2021
Merged

statistics: add multi-column index test cases for global-statas #23265

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8aeb82a
add multi-columns index test cases
qw4990 Mar 11, 2021
56de347
refmt
qw4990 Mar 11, 2021
5b69321
Merge branch 'master' into global-stats-test3
qw4990 Mar 12, 2021
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178 changes: 178 additions & 0 deletions statistics/handle/handle_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1309,6 +1309,184 @@ func (s *testStatsSuite) TestGlobalStatsData2(c *C) {
c.Assert(rs[2][7].(string), Equals, "0")
}

func (s *testStatsSuite) TestGlobalStatsData3(c *C) {
defer cleanEnv(c, s.store, s.do)
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("set @@tidb_partition_prune_mode='dynamic'")
tk.MustExec("set @@tidb_analyze_version=2")

// index(int, int)
tk.MustExec("drop table if exists tintint")
tk.MustExec("create table tintint (a int, b int, key(a, b)) partition by range (a) (partition p0 values less than (10), partition p1 values less than (20))")
tk.MustExec(`insert into tintint values ` +
`(1, 1), (1, 2), (2, 1), (2, 2), (2, 3), (2, 3), (3, 1), (3, 1), (3, 1),` + // values in p0
`(11, 1), (12, 1), (12, 2), (13, 1), (13, 1), (13, 2), (13, 2), (13, 2)`) // values in p1
tk.MustExec("analyze table tintint with 2 topn, 2 buckets")

rs := tk.MustQuery("show stats_meta where table_name='tintint'").Rows()
c.Assert(rs[0][5].(string), Equals, "17") // g.total = p0.total + p1.total
c.Assert(rs[1][5].(string), Equals, "9")
c.Assert(rs[2][5].(string), Equals, "8")

tk.MustQuery("show stats_topn where table_name='tintint' and is_index=1").Check(testkit.Rows(
"test tintint global a 1 (3, 1) 3",
"test tintint global a 1 (13, 2) 3",
"test tintint p0 a 1 (2, 3) 2",
"test tintint p0 a 1 (3, 1) 3",
"test tintint p1 a 1 (13, 1) 2",
"test tintint p1 a 1 (13, 2) 3"))

tk.MustQuery("show stats_buckets where table_name='tintint' and is_index=1").Check(testkit.Rows(
"test tintint global a 1 0 6 0 (1, 1) (3, 1) 5", // (2, 3) is popped into it
"test tintint global a 1 1 11 0 (3, 1) (13, 2) 4", // (13, 1) is popped into it
"test tintint p0 a 1 0 4 1 (1, 1) (2, 2) 4",
"test tintint p0 a 1 1 4 0 (2, 3) (3, 1) 0",
"test tintint p1 a 1 0 3 0 (11, 1) (13, 1) 3",
"test tintint p1 a 1 1 3 0 (13, 2) (13, 2) 0"))

rs = tk.MustQuery("show stats_histograms where table_name='tintint' and is_index=1").Rows()
c.Assert(rs[0][6].(string), Equals, "11") // g.ndv = p0.ndv + p1.ndv
c.Assert(rs[1][6].(string), Equals, "6")
c.Assert(rs[2][6].(string), Equals, "5")

// index(int, string)
tk.MustExec("drop table if exists tintstr")
tk.MustExec("create table tintstr (a int, b varchar(32), key(a, b)) partition by range (a) (partition p0 values less than (10), partition p1 values less than (20))")
tk.MustExec(`insert into tintstr values ` +
`(1, '1'), (1, '2'), (2, '1'), (2, '2'), (2, '3'), (2, '3'), (3, '1'), (3, '1'), (3, '1'),` + // values in p0
`(11, '1'), (12, '1'), (12, '2'), (13, '1'), (13, '1'), (13, '2'), (13, '2'), (13, '2')`) // values in p1
tk.MustExec("analyze table tintstr with 2 topn, 2 buckets")

rs = tk.MustQuery("show stats_meta where table_name='tintstr'").Rows()
c.Assert(rs[0][5].(string), Equals, "17") // g.total = p0.total + p1.total
c.Assert(rs[1][5].(string), Equals, "9")
c.Assert(rs[2][5].(string), Equals, "8")

tk.MustQuery("show stats_topn where table_name='tintstr' and is_index=1").Check(testkit.Rows(
"test tintstr global a 1 (3, 1) 3",
"test tintstr global a 1 (13, 2) 3",
"test tintstr p0 a 1 (2, 3) 2",
"test tintstr p0 a 1 (3, 1) 3",
"test tintstr p1 a 1 (13, 1) 2",
"test tintstr p1 a 1 (13, 2) 3"))

tk.MustQuery("show stats_buckets where table_name='tintstr' and is_index=1").Check(testkit.Rows(
"test tintstr global a 1 0 6 0 (1, 1) (3, 1) 5", // (2, 3) is popped into it
"test tintstr global a 1 1 11 0 (3, 1) (13, 2) 4", // (13, 1) is popped into it
"test tintstr p0 a 1 0 4 1 (1, 1) (2, 2) 4",
"test tintstr p0 a 1 1 4 0 (2, 3) (3, 1) 0",
"test tintstr p1 a 1 0 3 0 (11, 1) (13, 1) 3",
"test tintstr p1 a 1 1 3 0 (13, 2) (13, 2) 0"))

rs = tk.MustQuery("show stats_histograms where table_name='tintstr' and is_index=1").Rows()
c.Assert(rs[0][6].(string), Equals, "11") // g.ndv = p0.ndv + p1.ndv
c.Assert(rs[1][6].(string), Equals, "6")
c.Assert(rs[2][6].(string), Equals, "5")

// index(int, double)
tk.MustExec("drop table if exists tintdouble")
tk.MustExec("create table tintdouble (a int, b double, key(a, b)) partition by range (a) (partition p0 values less than (10), partition p1 values less than (20))")
tk.MustExec(`insert into tintdouble values ` +
`(1, 1), (1, 2), (2, 1), (2, 2), (2, 3), (2, 3), (3, 1), (3, 1), (3, 1),` + // values in p0
`(11, 1), (12, 1), (12, 2), (13, 1), (13, 1), (13, 2), (13, 2), (13, 2)`) // values in p1
tk.MustExec("analyze table tintdouble with 2 topn, 2 buckets")

rs = tk.MustQuery("show stats_meta where table_name='tintdouble'").Rows()
c.Assert(rs[0][5].(string), Equals, "17") // g.total = p0.total + p1.total
c.Assert(rs[1][5].(string), Equals, "9")
c.Assert(rs[2][5].(string), Equals, "8")

tk.MustQuery("show stats_topn where table_name='tintdouble' and is_index=1").Check(testkit.Rows(
"test tintdouble global a 1 (3, 1) 3",
"test tintdouble global a 1 (13, 2) 3",
"test tintdouble p0 a 1 (2, 3) 2",
"test tintdouble p0 a 1 (3, 1) 3",
"test tintdouble p1 a 1 (13, 1) 2",
"test tintdouble p1 a 1 (13, 2) 3"))

tk.MustQuery("show stats_buckets where table_name='tintdouble' and is_index=1").Check(testkit.Rows(
"test tintdouble global a 1 0 6 0 (1, 1) (3, 1) 5", // (2, 3) is popped into it
"test tintdouble global a 1 1 11 0 (3, 1) (13, 2) 4", // (13, 1) is popped into it
"test tintdouble p0 a 1 0 4 1 (1, 1) (2, 2) 4",
"test tintdouble p0 a 1 1 4 0 (2, 3) (3, 1) 0",
"test tintdouble p1 a 1 0 3 0 (11, 1) (13, 1) 3",
"test tintdouble p1 a 1 1 3 0 (13, 2) (13, 2) 0"))

rs = tk.MustQuery("show stats_histograms where table_name='tintdouble' and is_index=1").Rows()
c.Assert(rs[0][6].(string), Equals, "11") // g.ndv = p0.ndv + p1.ndv
c.Assert(rs[1][6].(string), Equals, "6")
c.Assert(rs[2][6].(string), Equals, "5")

// index(double, decimal)
tk.MustExec("drop table if exists tdoubledecimal")
tk.MustExec("create table tdoubledecimal (a int, b decimal(30, 2), key(a, b)) partition by range (a) (partition p0 values less than (10), partition p1 values less than (20))")
tk.MustExec(`insert into tdoubledecimal values ` +
`(1, 1), (1, 2), (2, 1), (2, 2), (2, 3), (2, 3), (3, 1), (3, 1), (3, 1),` + // values in p0
`(11, 1), (12, 1), (12, 2), (13, 1), (13, 1), (13, 2), (13, 2), (13, 2)`) // values in p1
tk.MustExec("analyze table tdoubledecimal with 2 topn, 2 buckets")

rs = tk.MustQuery("show stats_meta where table_name='tdoubledecimal'").Rows()
c.Assert(rs[0][5].(string), Equals, "17") // g.total = p0.total + p1.total
c.Assert(rs[1][5].(string), Equals, "9")
c.Assert(rs[2][5].(string), Equals, "8")

tk.MustQuery("show stats_topn where table_name='tdoubledecimal' and is_index=1").Check(testkit.Rows(
"test tdoubledecimal global a 1 (3, 1.00) 3",
"test tdoubledecimal global a 1 (13, 2.00) 3",
"test tdoubledecimal p0 a 1 (2, 3.00) 2",
"test tdoubledecimal p0 a 1 (3, 1.00) 3",
"test tdoubledecimal p1 a 1 (13, 1.00) 2",
"test tdoubledecimal p1 a 1 (13, 2.00) 3"))

tk.MustQuery("show stats_buckets where table_name='tdoubledecimal' and is_index=1").Check(testkit.Rows(
"test tdoubledecimal global a 1 0 6 0 (1, 1.00) (3, 1.00) 5", // (2, 3) is popped into it
"test tdoubledecimal global a 1 1 11 0 (3, 1.00) (13, 2.00) 4", // (13, 1) is popped into it
"test tdoubledecimal p0 a 1 0 4 1 (1, 1.00) (2, 2.00) 4",
"test tdoubledecimal p0 a 1 1 4 0 (2, 3.00) (3, 1.00) 0",
"test tdoubledecimal p1 a 1 0 3 0 (11, 1.00) (13, 1.00) 3",
"test tdoubledecimal p1 a 1 1 3 0 (13, 2.00) (13, 2.00) 0"))

rs = tk.MustQuery("show stats_histograms where table_name='tdoubledecimal' and is_index=1").Rows()
c.Assert(rs[0][6].(string), Equals, "11") // g.ndv = p0.ndv + p1.ndv
c.Assert(rs[1][6].(string), Equals, "6")
c.Assert(rs[2][6].(string), Equals, "5")

// index(string, datetime)
tk.MustExec("drop table if exists tstrdt")
tk.MustExec("create table tstrdt (a int, b datetime, key(a, b)) partition by range (a) (partition p0 values less than (10), partition p1 values less than (20))")
tk.MustExec(`insert into tstrdt values ` +
`(1, '2000-01-01'), (1, '2000-01-02'), (2, '2000-01-01'), (2, '2000-01-02'), (2, '2000-01-03'), (2, '2000-01-03'), (3, '2000-01-01'), (3, '2000-01-01'), (3, '2000-01-01'),` + // values in p0
`(11, '2000-01-01'), (12, '2000-01-01'), (12, '2000-01-02'), (13, '2000-01-01'), (13, '2000-01-01'), (13, '2000-01-02'), (13, '2000-01-02'), (13, '2000-01-02')`) // values in p1
tk.MustExec("analyze table tstrdt with 2 topn, 2 buckets")

rs = tk.MustQuery("show stats_meta where table_name='tstrdt'").Rows()
c.Assert(rs[0][5].(string), Equals, "17") // g.total = p0.total + p1.total
c.Assert(rs[1][5].(string), Equals, "9")
c.Assert(rs[2][5].(string), Equals, "8")

tk.MustQuery("show stats_topn where table_name='tstrdt' and is_index=1").Check(testkit.Rows(
"test tstrdt global a 1 (3, 2000-01-01 00:00:00) 3",
"test tstrdt global a 1 (13, 2000-01-02 00:00:00) 3",
"test tstrdt p0 a 1 (2, 2000-01-03 00:00:00) 2",
"test tstrdt p0 a 1 (3, 2000-01-01 00:00:00) 3",
"test tstrdt p1 a 1 (13, 2000-01-01 00:00:00) 2",
"test tstrdt p1 a 1 (13, 2000-01-02 00:00:00) 3"))

tk.MustQuery("show stats_buckets where table_name='tstrdt' and is_index=1").Check(testkit.Rows(
"test tstrdt global a 1 0 6 0 (1, 2000-01-01 00:00:00) (3, 2000-01-01 00:00:00) 5", // (2, 3) is popped into it
"test tstrdt global a 1 1 11 0 (3, 2000-01-01 00:00:00) (13, 2000-01-02 00:00:00) 4", // (13, 1) is popped into it
"test tstrdt p0 a 1 0 4 1 (1, 2000-01-01 00:00:00) (2, 2000-01-02 00:00:00) 4",
"test tstrdt p0 a 1 1 4 0 (2, 2000-01-03 00:00:00) (3, 2000-01-01 00:00:00) 0",
"test tstrdt p1 a 1 0 3 0 (11, 2000-01-01 00:00:00) (13, 2000-01-01 00:00:00) 3",
"test tstrdt p1 a 1 1 3 0 (13, 2000-01-02 00:00:00) (13, 2000-01-02 00:00:00) 0"))

rs = tk.MustQuery("show stats_histograms where table_name='tstrdt' and is_index=1").Rows()
c.Assert(rs[0][6].(string), Equals, "11") // g.ndv = p0.ndv + p1.ndv
c.Assert(rs[1][6].(string), Equals, "6")
c.Assert(rs[2][6].(string), Equals, "5")
}

func (s *testStatsSuite) TestGlobalStatsVersion(c *C) {
defer cleanEnv(c, s.store, s.do)
tk := testkit.NewTestKit(c, s.store)
Expand Down