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planner: fix the unstable test TestFixControl45132 (#46849)

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close pingcap/tidb#46663
This commit is contained in:
Yuanjia Zhang
2023-09-11 19:26:06 +08:00
committed by GitHub
parent bc80772052
commit 8feabccd7b
1 changed files with 4 additions and 16 deletions
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20
planner/core/casetest/integration_test.go
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@ -1230,28 +1230,16 @@ func TestFixControl45132(t *testing.T) {
}
tk.MustExec(`analyze table t`)
// the cost model prefers to use TableScan instead of IndexLookup to avoid double requests.
tk.MustQuery(`explain select * from t where a=2`).Check(testkit.Rows(
`TableReader_7 128.00 root data:Selection_6`,
`└─Selection_6 128.00 cop[tikv] eq(test.t.a, 2)`,
` └─TableFullScan_5 12928.00 cop[tikv] table:t keep order:false`))
require.True(t, tk.HasPlan(`select * from t where a=2`, `TableFullScan`))
tk.MustExec(`set @@tidb_opt_fix_control = "45132:99"`)
tk.MustQuery(`explain select * from t where a=2`).Check(testkit.Rows(
`IndexLookUp_7 128.00 root `,
`├─IndexRangeScan_5(Build) 128.00 cop[tikv] table:t, index:a(a) range:[2,2], keep order:false`,
`└─TableRowIDScan_6(Probe) 128.00 cop[tikv] table:t keep order:false`))
tk.MustIndexLookup(`select * from t where a=2`) // index lookup
tk.MustExec(`set @@tidb_opt_fix_control = "45132:500"`)
tk.MustQuery(`explain select * from t where a=2`).Check(testkit.Rows(
`TableReader_7 128.00 root data:Selection_6`,
`└─Selection_6 128.00 cop[tikv] eq(test.t.a, 2)`,
` └─TableFullScan_5 12928.00 cop[tikv] table:t keep order:false`))
require.True(t, tk.HasPlan(`select * from t where a=2`, `TableFullScan`))
tk.MustExec(`set @@tidb_opt_fix_control = "45132:0"`)
tk.MustQuery(`explain select * from t where a=2`).Check(testkit.Rows(
`TableReader_7 128.00 root data:Selection_6`,
`└─Selection_6 128.00 cop[tikv] eq(test.t.a, 2)`,
` └─TableFullScan_5 12928.00 cop[tikv] table:t keep order:false`))
require.True(t, tk.HasPlan(`select * from t where a=2`, `TableFullScan`))
}
func TestFixControl44262(t *testing.T) {