ZREM key member [member ...]
Available since: 1.2.0
Time 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.
ACL categories:
@write
@sortedset
@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.
@return
@integer-reply, specifically:
- The number of members removed from the sorted set, not including non existing members.
@examples
redis> ZADD myzset 1 "one"
TBD
redis> ZADD myzset 2 "two"
TBD
redis> ZADD myzset 3 "three"
TBD
redis> ZREM myzset "two"
TBD
redis> ZRANGE myzset 0 -1 WITHSCORES
History
- Starting with Redis version 2.4.0: Accepts multiple elements.