tidb get_pre_info_opts 代码
文件路径：/br/pkg/lightning/restore/opts/get_pre_info_opts.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,
/ See the License for the specific language governing permissions and
/ limitations under the License.
/ opts contains all kinds of options definitions that can affect the behavior of restore & get infos.
package opts
/ GetPreInfoConfig stores some configs to affect behavior to get pre restore infos.
type GetPreInfoConfig struct {
IgnoreDBNotExist bool
ForceReloadCache bool
}
/ Clone clones a new independent config object from the original one.
func (c *GetPreInfoConfig) Clone() *GetPreInfoConfig {
clonedCfg := NewDefaultGetPreInfoConfig()
if c != nil {
*clonedCfg = *c
}
return clonedCfg
}
/ NewDefaultGetPreInfoConfig returns the default get-pre-info config.
func NewDefaultGetPreInfoConfig() *GetPreInfoConfig {
return &GetPreInfoConfig{
IgnoreDBNotExist: false,
ForceReloadCache: false,
}
}
/ GetPreInfoOption defines the type for passing optional arguments for PreInfoGetter methods.
type GetPreInfoOption func(c *GetPreInfoConfig)
/ WithIgnoreDBNotExist sets whether to ignore DB not exist error when getting DB schemas.
func WithIgnoreDBNotExist(ignoreDBNotExist bool) GetPreInfoOption {
return func(c *GetPreInfoConfig) {
c.IgnoreDBNotExist = ignoreDBNotExist
}
}
/ ForceReloadCache sets whether to reload the cache for some caching results.
func ForceReloadCache(forceReloadCache bool) GetPreInfoOption {
return func(c *GetPreInfoConfig) {
c.ForceReloadCache = forceReloadCache
}
}