Golang Engine.NewWriteOnlyBatch示例

示例#1

// ClearData removes all persisted items stored in the cache.
func (sc *AbortCache) ClearData(e engine.Engine) error {
	iter := e.NewIterator(false)
	defer iter.Close()
	b := e.NewWriteOnlyBatch()
	defer b.Close()
	err := b.ClearRange(iter, engine.MakeMVCCMetadataKey(sc.min()),
		engine.MakeMVCCMetadataKey(sc.max()))
	if err != nil {
		return err
	}
	return b.Commit()
}