Files
tidb/pkg/ddl/util/callback/callback.go

49 lines
1.5 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 callback
import (
"github.com/pingcap/tidb/pkg/ddl"
"github.com/pingcap/tidb/pkg/ddl/logutil"
"github.com/pingcap/tidb/pkg/parser/model"
"go.uber.org/zap"
)
// TestDDLCallback is used to customize user callback themselves.
type TestDDLCallback struct {
*ddl.BaseCallback
// We recommended to pass the domain parameter to the test ddl callback, it will ensure
// domain to reload schema before your ddl stepping into the next state change.
Do ddl.SchemaLoader
OnJobRunBeforeExported func(*model.Job)
}
// OnJobRunBefore is used to run the user customized logic of `onJobRunBefore` first.
func (tc *TestDDLCallback) OnJobRunBefore(job *model.Job) {
logutil.DDLLogger().Info("on job run before", zap.String("job", job.String()))
if tc.OnJobRunBeforeExported != nil {
tc.OnJobRunBeforeExported(job)
return
}
tc.BaseCallback.OnJobRunBefore(job)
}
// Clone copies the callback and take its reference
func (tc *TestDDLCallback) Clone() *TestDDLCallback {
return &*tc
}