Method LSize

tx_list.go:246–269

LSize returns the size of key in the bucket in the bucket at given bucket and key.

(bucket string, key []byte)

// LSize returns the size of key in the bucket in the bucket at given bucket and key.
func (tx *Tx) LSize(bucket string, key []byte) (int, error) {
	if err := tx.checkTxIsClosed(); err != nil {
		return 0, err
	}

	b, err := tx.db.bucketMgr.GetBucket(DataStructureList, bucket)
	if err != nil {
		return 0, err
	}

	var (
		bucketId = b.Id
		l        *data.List
		exist    bool
	)

	if l, exist = tx.db.Index.List.exist(bucketId); !exist {
		return 0, ErrBucket
	}
	if tx.CheckExpire(bucket, key) {
		return 0, ErrListNotFound
	}
	return l.Size(string(key))
}

// LRange returns the specified elements of the list stored in the bucket at given bucket,key, start and end.
// The offsets start and stop are zero-based indexes 0 being the first element of the list (the head of the list),