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planner: add collation test for pushing bit column down #32983

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merged 3 commits into from
Mar 11, 2022
Merged

planner: add collation test for pushing bit column down #32983

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0f6c8fd
add collation test
Yisaer Mar 10, 2022
c4ba0d2
Merge branch 'master' into add_bit_collation_test
ti-chi-bot Mar 11, 2022
89d378d
Merge branch 'master' into add_bit_collation_test
ti-chi-bot Mar 11, 2022
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11 changes: 11 additions & 0 deletions planner/core/integration_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2720,6 +2720,17 @@ func TestBitColumnPushDown(t *testing.T) {
{" └─TableFullScan_5", "cop[tikv]", "keep order:false, stats:pseudo"},
}
tk.MustQuery(fmt.Sprintf("explain analyze %s", sql)).CheckAt([]int{0, 3, 6}, rows)

// test collation
tk.MustExec("update mysql.tidb set VARIABLE_VALUE='True' where VARIABLE_NAME='new_collation_enabled'")
tk.MustQuery("SELECT VARIABLE_VALUE FROM mysql.tidb WHERE VARIABLE_NAME='new_collation_enabled';").Check(
testkit.Rows("True"))
tk.MustExec("create table t3 (a bit(8));")
tk.MustExec("insert into t3 values (65)")
tk.MustExec("SET NAMES utf8mb4 COLLATE utf8mb4_bin")
tk.MustQuery("select a from t3 where cast(a as char) = 'a'").Check(testkit.Rows())
tk.MustExec("SET NAMES utf8mb4 COLLATE utf8mb4_general_ci")
tk.MustQuery("select a from t3 where cast(a as char) = 'a'").Check(testkit.Rows("A"))
}

func TestSysdatePushDown(t *testing.T) {
Expand Down