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executor: add conversion to opaque value for json_objectagg and json_arrayagg (#37337)

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close pingcap/tidb#25053
This commit is contained in:
YangKeao
2022-08-25 05:20:22 -04:00
committed by GitHub
parent b4b52234cc
commit 4c8c918c43
4 changed files with 104 additions and 39 deletions
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12
expression/aggregation/base_func.go
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@ -117,9 +117,9 @@ func (a *baseFuncDesc) TypeInfer(ctx sessionctx.Context) error {
case ast.AggFuncVarPop, ast.AggFuncStddevPop, ast.AggFuncVarSamp, ast.AggFuncStddevSamp:
a.typeInfer4PopOrSamp(ctx)
case ast.AggFuncJsonArrayagg:
a.typeInfer4JsonFuncs(ctx)
a.typeInfer4JsonArrayAgg(ctx)
case ast.AggFuncJsonObjectAgg:
a.typeInfer4JsonFuncs(ctx)
a.typeInfer4JsonObjectAgg(ctx)
default:
return errors.Errorf("unsupported agg function: %s", a.Name)
}
@ -289,11 +289,17 @@ func (a *baseFuncDesc) typeInfer4BitFuncs(ctx sessionctx.Context) {
a.Args[0] = expression.WrapWithCastAsInt(ctx, a.Args[0])
}
func (a *baseFuncDesc) typeInfer4JsonFuncs(ctx sessionctx.Context) {
func (a *baseFuncDesc) typeInfer4JsonArrayAgg(ctx sessionctx.Context) {
a.RetTp = types.NewFieldType(mysql.TypeJSON)
types.SetBinChsClnFlag(a.RetTp)
}
func (a *baseFuncDesc) typeInfer4JsonObjectAgg(ctx sessionctx.Context) {
a.RetTp = types.NewFieldType(mysql.TypeJSON)
types.SetBinChsClnFlag(a.RetTp)
a.Args[0] = expression.WrapWithCastAsString(ctx, a.Args[0])
}
func (a *baseFuncDesc) typeInfer4NumberFuncs() {
a.RetTp = types.NewFieldType(mysql.TypeLonglong)
a.RetTp.SetFlen(21)