SMISMEMBER · Valkey

SMISMEMBER

Determines whether multiple members belong to a set.

Usage

SMISMEMBER key member [member…]

Description

Returns whether each member is a member of the set stored at key.

For every member, 1 is returned if the value is a member of the set, or 0 if the element is not a member of the set or if key does not exist.

Reply

Array reply: a list representing the membership of the given elements, in the same order as they are requested.

Complexity

O(N) where N is the number of elements being checked for membership

ACL Categories

@fast @read @set

Examples

127.0.0.1:6379> SADD myset "one"
(integer) 1
127.0.0.1:6379> SADD myset "one"
(integer) 0
127.0.0.1:6379> SMISMEMBER myset "one" "notamember"
1) (integer) 1
2) (integer) 0

History

See also

SADD, SCARD, SDIFF, SDIFFSTORE, SINTER, SINTERCARD, SINTERSTORE, SISMEMBER, SMEMBERS, SMOVE, SPOP, SRANDMEMBER, SREM, SSCAN, SUNION, SUNIONSTORE.