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expression: fix enum type join binary get wrong result #30445

Merged
merged 8 commits into from
Dec 15, 2021
Merged

expression: fix enum type join binary get wrong result #30445

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996a72b
init complete
sylzd Dec 6, 2021
d1a9b03
fix
sylzd Dec 6, 2021
6d94a0f
add set type
sylzd Dec 9, 2021
8180aee
fix conflict
sylzd Dec 9, 2021
dea0746
fix
sylzd Dec 9, 2021
dae0863
Update expression/builtin_convert_charset.go
sylzd Dec 15, 2021
f3e59e3
Merge branch 'master' into issue_30174
sylzd Dec 15, 2021
74359d3
Update expression/integration_test.go
xiongjiwei Dec 15, 2021
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2 changes: 2 additions & 0 deletions expression/builtin_convert_charset.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ import (
"github.com/pingcap/tidb/parser/ast"
"github.com/pingcap/tidb/parser/charset"
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/chunk"
Expand Down Expand Up @@ -65,6 +66,7 @@ func (c *tidbToBinaryFunctionClass) getFunction(ctx sessionctx.Context, args []E
return nil, err
}
bf.tp = args[0].GetType().Clone()
bf.tp.Tp = mysql.TypeVarString
bf.tp.Charset, bf.tp.Collate = charset.CharsetBin, charset.CollationBin
sig = &builtinInternalToBinarySig{bf}
sig.setPbCode(tipb.ScalarFuncSig_ToBinary)
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12 changes: 12 additions & 0 deletions expression/integration_test.go
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Expand Up @@ -6895,3 +6895,15 @@ func TestIssue30326(t *testing.T) {
err := tk.QueryToErr("select (FIRST_VALUE(1) over (partition by v.a)) as c3 from (select a from t where t.a = (select a from t t2 where t.a = t2.a)) as v;")
require.Error(t, err, "[executor:1242]Subquery returns more than 1 row")
}

func (s *testIntegrationSuite) TestIssue30174(c *C) {
tk := testkit.NewTestKit(c, s.store)
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tk.MustExec("use test")
tk.MustExec("drop table if exists t1,t2;")
tk.MustExec("CREATE TABLE `t1` (\n `c1` enum('Alice','Bob','Charlie','David') NOT NULL,\n `c2` blob NOT NULL,\n PRIMARY KEY (`c2`(5)),\n UNIQUE KEY `idx_89` (`c1`)\n);")
tk.MustExec("CREATE TABLE `t2` (\n `c1` enum('Alice','Bob','Charlie','David') NOT NULL DEFAULT 'Alice',\n `c2` set('Alice','Bob','Charlie','David') NOT NULL DEFAULT 'David',\n `c3` enum('Alice','Bob','Charlie','David') NOT NULL,\n PRIMARY KEY (`c3`,`c2`)\n);")
tk.MustExec("insert into t1 values('Charlie','');")
tk.MustExec("insert into t2 values('Charlie','Charlie','Alice');")
tk.MustQuery("select * from t2 where c3 in (select c2 from t1);").Check(testkit.Rows())
tk.MustQuery("select * from t2 where c2 in (select c2 from t1);").Check(testkit.Rows())
}