Redis Sinterstore Command

Redis Sets (Set)

The Redis Sinterstore command stores the intersection of given sets in the specified set. If the specified set already exists, it will overwrite it.

Syntax

The basic syntax of the redis Sinterstore command is as follows:

redis　127.0.0.1:6379> SINTERSTORE DESTINATION_KEY KEY KEY1..KEYN

Available Versions

=> 1.0.0

Return Value

Returns the number of elements in the stored intersection set.

Online Examples

redis　127.0.0.1:6379> SADD myset1　"hello"
(integer)　1
redis　127.0.0.1:6379> SADD myset1　"foo"
(integer)　1
redis　127.0.0.1:6379> SADD myset1　"bar"
(integer)　1
redis　127.0.0.1:6379> SADD myset2　"hello"
(integer)　1
redis　127.0.0.1:6379> SADD myset2　"world"
(integer)　1
redis　127.0.0.1:6379> SINTERSTORE myset myset1　myset2
(integer)　1
redis　127.0.0.1:6379> SMEMBERS myset
1) "hello"

Redis Sets (Set)