Files
tidb/pkg/executor/analyze_worker.go

74 lines
2.2 KiB
Go

// Copyright 2022 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 executor
import (
"context"
"github.com/pingcap/tidb/pkg/statistics"
"github.com/pingcap/tidb/pkg/statistics/handle"
"github.com/pingcap/tidb/pkg/statistics/handle/util"
"github.com/pingcap/tidb/pkg/util/logutil"
"github.com/pingcap/tidb/pkg/util/sqlkiller"
"go.uber.org/zap"
)
type analyzeSaveStatsWorker struct {
resultsCh <-chan *statistics.AnalyzeResults
errCh chan<- error
killer *sqlkiller.SQLKiller
}
func newAnalyzeSaveStatsWorker(
resultsCh <-chan *statistics.AnalyzeResults,
errCh chan<- error,
killer *sqlkiller.SQLKiller) *analyzeSaveStatsWorker {
worker := &analyzeSaveStatsWorker{
resultsCh: resultsCh,
errCh: errCh,
killer: killer,
}
return worker
}
func (worker *analyzeSaveStatsWorker) run(ctx context.Context, statsHandle *handle.Handle, analyzeSnapshot bool) {
defer func() {
if r := recover(); r != nil {
logutil.BgLogger().Error("analyze save stats worker panicked", zap.Any("recover", r), zap.Stack("stack"))
worker.errCh <- getAnalyzePanicErr(r)
}
}()
for results := range worker.resultsCh {
if err := worker.killer.HandleSignal(); err != nil {
finishJobWithLog(statsHandle, results.Job, err)
results.DestroyAndPutToPool()
worker.errCh <- err
return
}
err := statsHandle.SaveAnalyzeResultToStorage(results, analyzeSnapshot, util.StatsMetaHistorySourceAnalyze)
if err != nil {
logutil.Logger(ctx).Warn("save table stats to storage failed", zap.Error(err))
finishJobWithLog(statsHandle, results.Job, err)
worker.errCh <- err
} else {
finishJobWithLog(statsHandle, results.Job, nil)
}
results.DestroyAndPutToPool()
if err != nil {
return
}
}
}