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Cluster cluster addslots(集群 槽位) cluster count failure reports(集群計數(shù)失敗報告) cluster countkeysinslot cluster delslots cluster failover cluster forget cluster getkeysinslot cluster info cluster keyslot(集群鍵槽) cluster meet cluster nodes(集群節(jié)點) cluster replicate(集群復制) cluster reset(集群重置) cluster saveconfig cluster set config epoch cluster setslot cluster slaves cluster slots readonly readwrite Connection auth echo ping quit select swapdb Geo geoadd geodist geohash geopos georadius georadiusbymember Hashes hdel hexists hget hgetall hincrby hincrbyfloat hkeys hlen hmget hmset hscan hset hsetnx hstrlen hvals HyperLogLog pfadd pfcount pfmerge Keys del dump exists expire expireat keys migrate move object persist pexpire pexpireat pttl randomkey rename renamenx restore scan sort touch ttl type unlink wait Lists blpop brpop brpoplpush lindex linsert llen lpop lpush lpushx lrange lrem lset ltrim rpop rpoplpush rpush rpushx Pub/Sub psubscribe publish pubsub punsubscribe subscribe unsubscribe Scripting eval evalsha script debug script exists script flush script kill script load Server bgrewriteaof bgsave client getname client kill client list client pause client reply client setname command command count command getkeys command info config get config resetstat config rewrite config set dbsize debug object debug segfault flushall flushdb info lastsave monitor role save shutdown slaveof slowlog time Sets sadd scard sdiff sdiffstore sinter sinterstore sismember smembers smove spop srandmember srem sscan sunion sunionstore Sorted Sets zadd zcard zcount zincrby zinterstore zlexcount zrange zrangebylex zrangebyscore zrank zrem zremrangebylex zremrangebyrank zremrangebyscore zrevrange zrevrangebylex zrevrangebyscore zrevrank zscan zscore zunionstore Strings append bitcount bitfield bitop bitpos decr decrby get getbit getrange getset incr incrby incrbyfloat mget mset msetnx psetex set setbit setex setnx setrange strlen Transactions discard exec multi unwatch watch
characters

ZINTERSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]

自2.0.0起可用。

時間復雜度: O(N * K)+ O(M * log(M))最壞的情況,N 是最小的輸入排序集合,K 是輸入排序集合的數(shù)量,M 是結(jié)果排序集合中的元素數(shù)量。

計算numkeys由指定鍵給出的已排序集合的交集,并將結(jié)果存儲在中destination。numkeys在傳遞輸入鍵和其他(可選)參數(shù)之前,必須提供輸入鍵()的數(shù)量。

默認情況下,元素的結(jié)果得分是其存在的有序集合中的得分總和。因為交集需要一個元素成為每個給定的有序集合的成員,所以這導致結(jié)果集合中的每個元素的得分等于輸入的有序集合的數(shù)量。

有關WEIGHTSAGGREGATE選項的說明,請參閱 ZUNIONSTORE 。

如果destination已經(jīng)存在,它將被覆蓋。

返回值

整數(shù)回復:在destination得到的排序集中的元素數(shù)。

例子

redis>  ZADD zset1 1 "one" (integer) 1 

redis>  ZADD zset1 2 "two" (integer) 1 

redis>  ZADD zset2 1 "one" (integer) 1 

redis>  ZADD zset2 2 "two" (integer) 1 

redis>  ZADD zset2 3 "three" (integer) 1 

redis>  ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 (integer) 2 

redis>  ZRANGE out 0 -1 WITHSCORES 1) "one" 2) "5" 3) "two" 4) "10"

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