Files
tidb/pkg/types/truncate.go

54 lines
1.7 KiB
Go

// Copyright 2023 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package types
import (
"github.com/pingcap/errors"
"github.com/pingcap/tidb/pkg/errno"
)
// HandleTruncate ignores or returns the error based on the Context state.
func (c *Context) HandleTruncate(err error) error {
// TODO: At present we have not checked whether the error can be ignored or treated as warning.
// We will do that later, and then append WarnDataTruncated instead of the error itself.
if err == nil {
return nil
}
err = errors.Cause(err)
if e, ok := err.(*errors.Error); !ok ||
(e.Code() != errno.ErrTruncatedWrongValue &&
e.Code() != errno.ErrDataTooLong &&
e.Code() != errno.ErrTruncatedWrongValueForField &&
e.Code() != errno.ErrWarnDataOutOfRange &&
e.Code() != errno.ErrDataOutOfRange &&
e.Code() != errno.ErrBadNumber &&
e.Code() != errno.ErrWrongValueForType &&
e.Code() != errno.ErrDatetimeFunctionOverflow &&
e.Code() != errno.WarnDataTruncated &&
e.Code() != errno.ErrIncorrectDatetimeValue) {
return err
}
if c.Flags().IgnoreTruncateErr() {
return nil
}
if c.Flags().TruncateAsWarning() {
c.AppendWarning(err)
return nil
}
return err
}