SREM

SREM

SREM key member [member ...]

Available since:

1.0.0

Time complexity:

O(N) where N is the number of members to be removed.

ACL categories:

@write, @set, @fast,

Remove the specified members from the set stored at key. Specified members that are not a member of this set are ignored. If key does not exist, it is treated as an empty set and this command returns 0.

An error is returned when the value stored at key is not a set.

Return

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

Examples

SADD myset "one"
SADD myset "two"
SADD myset "three"
SREM myset "one"
SREM myset "four"
SMEMBERS myset

History

• Starting with Redis version 2.4.0: Accepts multiple member arguments.