LKeys find all keys matching a given pattern
(bucket, pattern string, f func(key string) bool)
| 433 | |
| 434 | // LKeys find all keys matching a given pattern |
| 435 | func (tx *Tx) LKeys(bucket, pattern string, f func(key string) bool) error { |
| 436 | if err := tx.checkTxIsClosed(); err != nil { |
| 437 | return err |
| 438 | } |
| 439 | b, err := tx.db.bucketMgr.GetBucket(DataStructureList, bucket) |
| 440 | if err != nil { |
| 441 | return err |
| 442 | } |
| 443 | var ( |
| 444 | bucketId = b.Id |
| 445 | l *data.List |
| 446 | exist bool |
| 447 | ) |
| 448 | if l, exist = tx.db.Index.List.exist(bucketId); !exist { |
| 449 | return ErrBucket |
| 450 | } |
| 451 | |
| 452 | for key := range l.Items { |
| 453 | if tx.CheckExpire(bucket, []byte(key)) { |
| 454 | continue |
| 455 | } |
| 456 | if end, err := utils.MatchForRange(pattern, key, f); end || err != nil { |
| 457 | return err |
| 458 | } |
| 459 | } |
| 460 | return nil |
| 461 | } |
| 462 | |
| 463 | func (tx *Tx) ExpireList(bucket string, key []byte, ttl uint32) error { |
| 464 | if err := tx.checkTxIsClosed(); err != nil { |