SINTERSTORE · Valkey

SINTERSTORE

Stores the intersect of multiple sets in a key.

Usage

SINTERSTORE destination key [key…]

Description

This command is equal to SINTER, but instead of returning the resulting set, it is stored in destination.

If destination already exists, it is overwritten.

Reply RESP2

Integer reply: the number of elements in the resulting set.

Reply RESP3

Integer reply: the number of the elements in the result set.

Complexity

O(N*M) worst case where N is the cardinality of the smallest set and M is the number of sets.

ACL Categories

@set @slow @write

Examples

127.0.0.1:6379> SADD key1 "a"
(integer) 1
127.0.0.1:6379> SADD key1 "b"
(integer) 1
127.0.0.1:6379> SADD key1 "c"
(integer) 1
127.0.0.1:6379> SADD key2 "c"
(integer) 1
127.0.0.1:6379> SADD key2 "d"
(integer) 1
127.0.0.1:6379> SADD key2 "e"
(integer) 1
127.0.0.1:6379> SINTERSTORE key key1 key2
(integer) 1
127.0.0.1:6379> SMEMBERS key
1) "c"

History

See also

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