ZREVRANK · Valkey

ZREVRANK

Returns the index of a member in a sorted set ordered by descending scores.

Usage

ZREVRANK key member [WITHSCORE]

Description

Returns the rank of member in the sorted set stored at key, with the scores ordered from high to low. The rank (or index) is 0-based, which means that the member with the highest score has rank 0.

The optional WITHSCORE argument supplements the command’s reply with the score of the element returned.

Use ZRANK to get the rank of an element with the scores ordered from low to high.

Reply RESP2

One of the following:

Reply RESP3

One of the following:

Complexity

O(log(N))

ACL Categories

@fast @read @sortedset

Examples

127.0.0.1:6379> ZADD myzset 1 "one"
(integer) 1
127.0.0.1:6379> ZADD myzset 2 "two"
(integer) 1
127.0.0.1:6379> ZADD myzset 3 "three"
(integer) 1
127.0.0.1:6379> ZREVRANK myzset "one"
(integer) 2
127.0.0.1:6379> ZREVRANK myzset "four"
(nil)
127.0.0.1:6379> ZREVRANK myzset "three" WITHSCORE
1) (integer) 0
2) "3"
127.0.0.1:6379> ZREVRANK myzset "four" WITHSCORE
(nil)

History

See also

BZMPOP, BZPOPMAX, BZPOPMIN, ZADD, ZCARD, ZCOUNT, ZDIFF, ZDIFFSTORE, ZINCRBY, ZINTER, ZINTERCARD, ZINTERSTORE, ZLEXCOUNT, ZMPOP, ZMSCORE, ZPOPMAX, ZPOPMIN, ZRANDMEMBER, ZRANGE, ZRANGESTORE, ZRANK, ZREM, ZREMRANGEBYLEX, ZREMRANGEBYRANK, ZREMRANGEBYSCORE, ZSCAN, ZSCORE, ZUNION, ZUNIONSTORE.