SINTER
返回给定所有集合的交集。
Syntax
SINTER key [key ...]Return
Array reply: 交集的结果集,如果其中一个集合为空或不存在,则返回空数组。
Examples
redis> SADD myset1 "a"
(integer) 1
redis> SADD myset1 "b"
(integer) 1
redis> SADD myset1 "c"
(integer) 1
redis> SADD myset2 "c"
(integer) 1
redis> SADD myset2 "d"
(integer) 1
redis> SADD myset2 "e"
(integer) 1
redis> SINTER myset1 myset2
1) "c"