ZREM

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"
Failed to fetch
redis> ZADD myzset 2 "two"
Failed to fetch
redis> ZADD myzset 3 "three"
Failed to fetch
redis> ZREM myzset "two"
Failed to fetch
redis> ZRANGE myzset 0 -1 WITHSCORES
Failed to fetch

History

• Starting with Redis version 2.4.0: Accepts multiple elements.