srem.3valkey - Man Page
Removes one or more members from a set. Deletes the set if the last member was removed.
Synopsis
SREM key member [member...]
Description
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.
Reply
Resp2
valkey-protocol(7) Integer reply: the number of members that were removed from the set, not including non existing members.
Resp3
valkey-protocol(7) Integer reply: Number of members that were removed from the set, not including non existing members.
Complexity
O(N) where N is the number of members to be removed.
Acl Categories
@fast @set @write
History
- Available since: 1.0.0
- Changed in 2.4.0: Accepts multiple
memberarguments.
Examples
127.0.0.1:6379> SADD myset "one" (integer) 1 127.0.0.1:6379> SADD myset "two" (integer) 1 127.0.0.1:6379> SADD myset "three" (integer) 1 127.0.0.1:6379> SREM myset "one" (integer) 1 127.0.0.1:6379> SREM myset "four" (integer) 0 127.0.0.1:6379> SMEMBERS myset 1) "two" 2) "three"
See Also
sadd(3valkey), scard(3valkey), sdiff(3valkey), sdiffstore(3valkey), sinter(3valkey), sintercard(3valkey), sinterstore(3valkey), sismember(3valkey), smembers(3valkey), smismember(3valkey), smove(3valkey), spop(3valkey), srandmember(3valkey), sscan(3valkey), sunion(3valkey), sunionstore(3valkey)