tidb inspection_common 源码
tidb inspection_common 代码
文件路径：/executor/inspection_common.go
// Copyright 2020 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"
plannercore "github.com/pingcap/tidb/planner/core"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/types"
"golang.org/x/exp/slices"
)
type inspectionRuleRetriever struct {
dummyCloser
retrieved bool
extractor *plannercore.InspectionRuleTableExtractor
}
const (
inspectionRuleTypeInspection string = "inspection"
inspectionRuleTypeSummary string = "summary"
)
func (e *inspectionRuleRetriever) retrieve(ctx context.Context, sctx sessionctx.Context) ([][]types.Datum, error) {
if e.retrieved || e.extractor.SkipRequest {
return nil, nil
}
e.retrieved = true
tps := inspectionFilter{set: e.extractor.Types}
var finalRows [][]types.Datum
// Select inspection rules
if tps.enable(inspectionRuleTypeInspection) {
for _, r := range inspectionRules {
finalRows = append(finalRows, types.MakeDatums(
r.name(),
inspectionRuleTypeInspection,
// TODO: add rule explanation
"",
))
}
}
// Select summary rules
if tps.enable(inspectionRuleTypeSummary) {
// Get ordered key of map inspectionSummaryRules
summaryRules := make([]string, 0)
for rule := range inspectionSummaryRules {
summaryRules = append(summaryRules, rule)
}
slices.Sort(summaryRules)
for _, rule := range summaryRules {
finalRows = append(finalRows, types.MakeDatums(
rule,
inspectionRuleTypeSummary,
// TODO: add rule explanation
"",
))
}
}
return finalRows, nil
}
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