ZREVRANGEBYLEX key max min [LIMIT offset count]
Available since 2.8.9.
Time complexity: O(log(N)+M) with N being the number of elements in the sorted set and M the number of elements being returned. If M is constant (e.g. always asking for the first 10 elements with LIMIT), you can consider it O(log(N)).
When all the elements in a sorted set are inserted with the same score, in order to force lexicographical ordering, this command returns all the elements in the sorted set at key
with a value between max
and min
.
Apart from the reversed ordering, ZREVRANGEBYLEX is similar to ZRANGEBYLEX.
*Return value
Array reply: list of elements in the specified score range.
*Examples
redis> ZADD myzset 0 a 0 b 0 c 0 d 0 e 0 f 0 g
- (integer) 7
redis> ZREVRANGEBYLEX myzset [c -
- 1) "c"
- 2) "b"
- 3) "a"
redis> ZREVRANGEBYLEX myzset (c -
- 1) "b"
- 2) "a"
redis> ZREVRANGEBYLEX myzset (g [aaa
- 1) "f"
- 2) "e"
- 3) "d"
- 4) "c"
- 5) "b"