ZREM

Removes one or more members from a sorted set. Deletes the sorted set if all members were removed.

Usage: ZREM key member ...
Complexity: O(M*log(N)) with N being the number of elements in the sorted set and M the number of elements to be removed.
Since: 1.2.0
ACL Categories: @fast, @sortedset, @write
Command flags: WRITE, FAST

Removes the specified members from the sorted set stored at key. Non existing members are ignored.

An error is returned when key exists and does not hold a sorted set.

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> ZREM myzset "two"
(integer) 1
127.0.0.1:6379> ZRANGE myzset 0 -1 WITHSCORES
1) "one"
2) "1"
3) "three"
4) "3"

Replies

RESP2

Integer reply: the number of members removed from the sorted set, not including non-existing members.

RESP3

Integer reply: the number of members removed from the sorted set, not including non-existing members.

History

2.4.0: Accepts multiple elements.