SINTERSTORE destination key [key …]
相关命令
- SADD
- SCARD
- SDIFF
- SDIFFSTORE
- SINTER
- SINTERSTORE
- SISMEMBER
- SMEMBERS
- SMOVE
- SPOP
- SRANDMEMBER
- SREM
- SSCAN
- SUNION
- SUNIONSTORE
始于1.0.0可用。
时间复杂度: O(N*M) worst case where N is the cardinality of the smallest set and M is the number of sets.
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.
返回值
Integer reply: the number of elements in the resulting set.
例子
redis> SADD key1 "a"
- (integer) 1
redis> SADD key1 "b"
- (integer) 1
redis> SADD key1 "c"
- (integer) 1
redis> SADD key2 "c"
- (integer) 1
redis> SADD key2 "d"
- (integer) 1
redis> SADD key2 "e"
- (integer) 1
redis> SINTERSTORE key key1 key2
- (integer) 1
redis> SMEMBERS key
- 1) "c"
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