SREM
SREM key member [member ...]
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 value
Integer reply: the number of members that were removed from the set, not including non existing members.
History
-
>= 2.4
: Accepts multiplemember
arguments. Redis versions older than 2.4 can only remove a set member per call.
Examples
redis>
SADD myset "one"
(integer) 1
redis>
SADD myset "two"
(integer) 1
redis>
SADD myset "three"
(integer) 1
redis>
SREM myset "one"
(integer) 1
redis>
SREM myset "four"
(integer) 0
redis>
SMEMBERS myset
1) "two" 2) "three"
© 2009–2020 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/srem