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mounter(ticdc): timezone fill default value should also consider tz. (#10932) #10949

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mounter(ticdc): timezone fill default value should also consider tz. (#10932) #10949

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2bf550f
timezone default value should also consider tz.
3AceShowHand Apr 19, 2024
753f1db
fix test.
3AceShowHand Apr 19, 2024
ce00302
fix ut
3AceShowHand Apr 19, 2024
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21 changes: 16 additions & 5 deletions cdc/entry/mounter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -341,7 +341,7 @@
}

func datum2Column(
tableInfo *model.TableInfo, datums map[int64]types.Datum,
tableInfo *model.TableInfo, datums map[int64]types.Datum, tz *time.Location,
) ([]*model.ColumnData, []types.Datum, []*timodel.ColumnInfo, error) {
cols := make([]*model.ColumnData, len(tableInfo.RowColumnsOffset))
rawCols := make([]types.Datum, len(tableInfo.RowColumnsOffset))
Expand All @@ -368,7 +368,7 @@
if exist {
colValue, size, warn, err = formatColVal(colDatum, colInfo)
} else {
colDatum, colValue, size, warn, err = getDefaultOrZeroValue(colInfo)
colDatum, colValue, size, warn, err = getDefaultOrZeroValue(colInfo, tz)
}
if err != nil {
return nil, nil, nil, errors.Trace(err)
Expand Down Expand Up @@ -504,7 +504,7 @@
if row.PreRowExist {
// FIXME(leoppro): using pre table info to mounter pre column datum
// the pre column and current column in one event may using different table info
preCols, preRawCols, columnInfos, err = datum2Column(tableInfo, row.PreRow)
preCols, preRawCols, columnInfos, err = datum2Column(tableInfo, row.PreRow, m.tz)
if err != nil {
return nil, rawRow, errors.Trace(err)
}
Expand Down Expand Up @@ -536,7 +536,7 @@
currentChecksum uint32
)
if row.RowExist {
cols, rawCols, columnInfos, err = datum2Column(tableInfo, row.Row)
cols, rawCols, columnInfos, err = datum2Column(tableInfo, row.Row, m.tz)
if err != nil {
return nil, rawRow, errors.Trace(err)
}
Expand Down Expand Up @@ -698,7 +698,9 @@
// https://github.com/golang/go/blob/go1.17.4/src/database/sql/driver/types.go#L236
// Supported type is: nil, basic type(Int, Int8,..., Float32, Float64, String), Slice(uint8), other types not support
// TODO: Check default expr support
func getDefaultOrZeroValue(col *timodel.ColumnInfo) (types.Datum, any, int, string, error) {
func getDefaultOrZeroValue(
col *timodel.ColumnInfo, tz *time.Location,
) (types.Datum, any, int, string, error) {
var (
d types.Datum
err error
Expand All @@ -715,6 +717,15 @@
if err != nil {
return d, d.GetValue(), sizeOfDatum(d), "", errors.Trace(err)
}
switch col.GetType() {
case mysql.TypeTimestamp:
t := d.GetMysqlTime()
err = t.ConvertTimeZone(time.UTC, tz)
if err != nil {
return d, d.GetValue(), sizeOfDatum(d), "", errors.Trace(err)
}

Check warning on line 726 in cdc/entry/mounter.go

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cdc/entry/mounter.go#L725-L726 

Added lines #L725 - L726 were not covered by tests
d.SetMysqlTime(t)
}
} else if !mysql.HasNotNullFlag(col.GetFlag()) {
// NOTICE: NotNullCheck need do after OriginDefaultValue check, as when TiDB meet "amend + add column default xxx",
// ref: https://github.com/pingcap/ticdc/issues/3929
Expand Down
55 changes: 45 additions & 10 deletions cdc/entry/mounter_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -873,48 +873,50 @@ func TestGetDefaultZeroValue(t *testing.T) {
},
}

tz, err := util.GetTimezone(config.GetGlobalServerConfig().TZ)
require.NoError(t, err)
for _, tc := range testCases {
_, val, _, _, _ := getDefaultOrZeroValue(&tc.ColInfo)
_, val, _, _, _ := getDefaultOrZeroValue(&tc.ColInfo, tz)
require.Equal(t, tc.Res, val, tc.Name)
}

colInfo := timodel.ColumnInfo{
OriginDefaultValue: "-3.14", // no float
FieldType: *ftTypeNewDecimalNotNull,
}
_, val, _, _, _ := getDefaultOrZeroValue(&colInfo)
_, val, _, _, _ := getDefaultOrZeroValue(&colInfo, tz)
decimal := new(types.MyDecimal)
err := decimal.FromString([]byte("-3.14"))
err = decimal.FromString([]byte("-3.14"))
require.NoError(t, err)
require.Equal(t, decimal.String(), val, "mysql.TypeNewDecimal + notnull + default")

colInfo = timodel.ColumnInfo{
OriginDefaultValue: "2020-11-19 12:12:12",
FieldType: *ftTypeTimestampNotNull,
}
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo)
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo, tz)
expected, err := types.ParseTimeFromFloatString(
types.DefaultStmtNoWarningContext,
"2020-11-19 12:12:12", colInfo.FieldType.GetType(), colInfo.FieldType.GetDecimal())
"2020-11-19 20:12:12", colInfo.FieldType.GetType(), colInfo.FieldType.GetDecimal())
require.NoError(t, err)
require.Equal(t, expected.String(), val, "mysql.TypeTimestamp + notnull + default")

colInfo = timodel.ColumnInfo{
OriginDefaultValue: "2020-11-19 12:12:12",
FieldType: *ftTypeTimestampNull,
}
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo)
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo, tz)
expected, err = types.ParseTimeFromFloatString(
types.DefaultStmtNoWarningContext,
"2020-11-19 12:12:12", colInfo.FieldType.GetType(), colInfo.FieldType.GetDecimal())
"2020-11-19 20:12:12", colInfo.FieldType.GetType(), colInfo.FieldType.GetDecimal())
require.NoError(t, err)
require.Equal(t, expected.String(), val, "mysql.TypeTimestamp + null + default")

colInfo = timodel.ColumnInfo{
OriginDefaultValue: "e1",
FieldType: *ftTypeEnumNotNull,
}
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo)
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo, tz)
expectedEnum, err := types.ParseEnumName(colInfo.FieldType.GetElems(), "e1", colInfo.FieldType.GetCollate())
require.NoError(t, err)
require.Equal(t, expectedEnum.Value, val, "mysql.TypeEnum + notnull + default")
Expand All @@ -923,7 +925,7 @@ func TestGetDefaultZeroValue(t *testing.T) {
OriginDefaultValue: "1,e",
FieldType: *ftTypeSetNotNull,
}
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo)
_, val, _, _, _ = getDefaultOrZeroValue(&colInfo, tz)
expectedSet, err := types.ParseSetName(colInfo.FieldType.GetElems(), "1,e", colInfo.FieldType.GetCollate())
require.NoError(t, err)
require.Equal(t, expectedSet.Value, val, "mysql.TypeSet + notnull + default")
Expand Down Expand Up @@ -1102,6 +1104,37 @@ func TestE2ERowLevelChecksum(t *testing.T) {
require.NoError(t, err)
}

func TestTimezoneDefaultValue(t *testing.T) {
helper := NewSchemaTestHelper(t)
defer helper.Close()

_ = helper.DDL2Event(`create table test.t(a int primary key)`)
insertEvent := helper.DML2Event(`insert into test.t values (1)`, "test", "t")
require.NotNil(t, insertEvent)

tableInfo, ok := helper.schemaStorage.GetLastSnapshot().TableByName("test", "t")
require.True(t, ok)

key, oldValue := helper.getLastKeyValue(tableInfo.ID)

_ = helper.DDL2Event(`alter table test.t add column b timestamp default '2023-02-09 13:00:00'`)
ts := helper.schemaStorage.GetLastSnapshot().CurrentTs()
rawKV := &model.RawKVEntry{
OpType: model.OpTypePut,
Key: key,
OldValue: oldValue,
StartTs: ts - 1,
CRTs: ts + 1,
}
polymorphicEvent := model.NewPolymorphicEvent(rawKV)
err := helper.mounter.DecodeEvent(context.Background(), polymorphicEvent)
require.NoError(t, err)

event := polymorphicEvent.Row
require.NotNil(t, event)
require.Equal(t, "2023-02-09 13:00:00", event.PreColumns[1].Value.(string))
}

func TestVerifyChecksumTime(t *testing.T) {
replicaConfig := config.GetDefaultReplicaConfig()
replicaConfig.Integrity.IntegrityCheckLevel = integrity.CheckLevelCorrectness
Expand Down Expand Up @@ -1565,14 +1598,16 @@ func TestBuildTableInfo(t *testing.T) {
") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin",
},
}
tz, err := util.GetTimezone(config.GetGlobalServerConfig().TZ)
require.NoError(t, err)
p := parser.New()
for i, c := range cases {
stmt, err := p.ParseOneStmt(c.origin, "", "")
require.NoError(t, err)
originTI, err := ddl.BuildTableInfoFromAST(stmt.(*ast.CreateTableStmt))
require.NoError(t, err)
cdcTableInfo := model.WrapTableInfo(0, "test", 0, originTI)
colDatas, _, _, err := datum2Column(cdcTableInfo, map[int64]types.Datum{})
colDatas, _, _, err := datum2Column(cdcTableInfo, map[int64]types.Datum{}, tz)
require.NoError(t, err)
e := model.RowChangedEvent{
TableInfo: cdcTableInfo,
Expand Down
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