tidb stat 代码
文件路径：/bindinfo/stat.go
/ Copyright 2021 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 bindinfo
import (
"github.com/pingcap/tidb/sessionctx/variable"
)
var (
lastPlanBindingUpdateTime = "last_plan_binding_update_time"
)
/ GetScope gets the status variables scope.
func (h *BindHandle) GetScope(status string) variable.ScopeFlag {
return variable.ScopeSession
}
/ Stats returns the server statistics.
func (h *BindHandle) Stats(vars *variable.SessionVars) (map[string]interface{}, error) {
h.bindInfo.Lock()
defer func() {
h.bindInfo.Unlock()
}()
m := make(map[string]interface{})
m[lastPlanBindingUpdateTime] = h.bindInfo.lastUpdateTime.String()
return m, nil
}