tidb const 代码
文件路径：/plugin/const.go
/ Copyright 2019 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 plugin
/ Kind presents the kind of plugin.
type Kind uint8
const (
/ Audit indicates it is a Audit plugin.
Audit Kind = 1 + iota
/ Authentication indicate it is a Authentication plugin.
Authentication
/ Schema indicate a plugin that can change TiDB schema.
Schema
/ Daemon indicate a plugin that can run as daemon task.
Daemon
)
func (k Kind) String() (str string) {
switch k {
case Audit:
str = "Audit"
case Authentication:
str = "Authentication"
case Schema:
str = "Schema"
case Daemon:
str = "Daemon"
}
return
}
/ State present the state of plugin.
type State uint8
const (
/ Uninitialized indicates plugin is uninitialized.
Uninitialized State = iota
/ Ready indicates plugin is ready to work.
Ready
/ Dying indicates plugin will be close soon.
Dying
/ Disable indicate plugin is disabled.
Disable
)
func (s State) String() (str string) {
switch s {
case Uninitialized:
str = "Uninitialized"
case Ready:
str = "Ready"
case Dying:
str = "Dying"
case Disable:
str = "Disable"
}
return
}