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executor: add JSON opaque value condition to everywhere #37390

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merged 2 commits into from
Aug 26, 2022
Merged

executor: add JSON opaque value condition to everywhere #37390

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2603fa6
add JSONOpaque value condition to everywhere
YangKeao Aug 25, 2022
4ef6294
Merge branch 'master' into fix-37387
ti-chi-bot Aug 26, 2022
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12 changes: 12 additions & 0 deletions expression/integration_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7435,3 +7435,15 @@ func TestIssue36358(t *testing.T) {
tk.MustQuery("select extract(day_microsecond from cast('2001-01-01 02:03:04.050607' as datetime(6))) from t").Check(testkit.Rows("1020304050607"))
tk.MustQuery("select extract(day_microsecond from c) from t").Check(testkit.Rows("1020304050607"))
}

func TestCastJSONOpaqueValueToNumeric(t *testing.T) {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustQuery("select cast(cast(b'010101' as json) as signed);").Check(testkit.Rows("0"))
tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect INTEGER value: '\"base64:type253:FQ==\"'"))
tk.MustQuery("select cast(json_extract(json_objectagg('a', b'010101'), '$.a') as signed);").Check(testkit.Rows("0"))
tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect INTEGER value: '\"base64:type253:FQ==\"'"))
tk.MustQuery("select cast(json_extract(json_objectagg('a', b'010101'), '$.a') as double);").Check(testkit.Rows("0"))
tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: '\"base64:type253:FQ==\"'"))
}
6 changes: 3 additions & 3 deletions types/convert.go
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Expand Up @@ -555,7 +555,7 @@ func ConvertJSONToInt64(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigne
// ConvertJSONToInt casts JSON into int by type.
func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned bool, tp byte) (int64, error) {
switch j.TypeCode {
case json.TypeCodeObject, json.TypeCodeArray:
case json.TypeCodeObject, json.TypeCodeArray, json.TypeCodeOpaque:
return 0, sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("INTEGER", j.String()))
case json.TypeCodeLiteral:
switch j.Value[0] {
Expand Down Expand Up @@ -615,7 +615,7 @@ func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned
// ConvertJSONToFloat casts JSON into float64.
func ConvertJSONToFloat(sc *stmtctx.StatementContext, j json.BinaryJSON) (float64, error) {
switch j.TypeCode {
case json.TypeCodeObject, json.TypeCodeArray:
case json.TypeCodeObject, json.TypeCodeArray, json.TypeCodeOpaque:
return 0, sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("FLOAT", j.String()))
case json.TypeCodeLiteral:
switch j.Value[0] {
Expand Down Expand Up @@ -644,7 +644,7 @@ func ConvertJSONToDecimal(sc *stmtctx.StatementContext, j json.BinaryJSON) (*MyD
var err error = nil
res := new(MyDecimal)
switch j.TypeCode {
case json.TypeCodeObject, json.TypeCodeArray:
case json.TypeCodeObject, json.TypeCodeArray, json.TypeCodeOpaque:
err = ErrTruncatedWrongVal.GenWithStackByArgs("DECIMAL", j.String())
case json.TypeCodeLiteral:
switch j.Value[0] {
Expand Down
3 changes: 3 additions & 0 deletions types/json/binary.go
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Expand Up @@ -173,6 +173,9 @@ func (bj BinaryJSON) IsZero() bool {
isZero = false
case TypeCodeObject:
isZero = false
// FIXME: TiDB always casts the json to double BINARY so this function will never be called.
case TypeCodeOpaque:
isZero = false
}
return isZero
}
Expand Down
5 changes: 4 additions & 1 deletion types/json/binary_functions.go
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Expand Up @@ -627,7 +627,7 @@ func (bm *binaryModifier) rebuildTo(buf []byte) ([]byte, TypeCode) {
}
bj := bm.bj
switch bj.TypeCode {
case TypeCodeLiteral, TypeCodeInt64, TypeCodeUint64, TypeCodeFloat64, TypeCodeString:
case TypeCodeLiteral, TypeCodeInt64, TypeCodeUint64, TypeCodeFloat64, TypeCodeString, TypeCodeOpaque:
return append(buf, bj.Value...), bj.TypeCode
}
docOff := len(buf)
Expand Down Expand Up @@ -1008,6 +1008,9 @@ func PeekBytesAsJSON(b []byte) (n int, err error) {
case TypeCodeLiteral:
n = valTypeSize + 1
return
case TypeCodeOpaque:
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bufLen, lenLen := binary.Uvarint(b[valTypeSize+1:])
return valTypeSize + 1 + int(bufLen) + lenLen, nil
}
err = errors.New("Invalid JSON bytes")
return
Expand Down
4 changes: 4 additions & 0 deletions util/codec/codec_test.go
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Expand Up @@ -872,6 +872,10 @@ func TestCut(t *testing.T) {
types.MakeDatums(json.CreateBinary("abc")),
types.MakeDatums(json.CreateBinary("abc")),
},
{
types.MakeDatums(json.CreateBinary(json.Opaque{TypeCode: mysql.TypeString, Buf: []byte("abc")})),
types.MakeDatums(json.CreateBinary(json.Opaque{TypeCode: mysql.TypeString, Buf: []byte("abc")})),
},
}
sc := &stmtctx.StatementContext{TimeZone: time.Local}
for i, datums := range table {
Expand Down