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
redis> SADD myset "one"
TBD
redis> SADD myset "two"
TBD
redis> SADD myset "three"
TBD
redis> SREM myset "one"
TBD
redis> SREM myset "four"
TBD
redis> SMEMBERS myset
History
- Starting with Redis version 2.4.0: Accepts multiple
member
arguments.