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Cluster cluster addslots(集群 槽位) cluster count failure reports(集群計(jì)數(shù)失敗報(bào)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(diǎn)) cluster replicate(集群復(fù)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

SCRIPT EXISTS sha1 [sha1 ...]

自2.6.0起可用。

時(shí)間復(fù)雜度: O(N),其中N是要檢查的腳本的數(shù)量(因此檢查單個(gè)腳本是O(1)操作)。

返回腳本緩存中有關(guān)腳本存在的信息。

該命令接受一個(gè)或多個(gè) SHA1 摘要,并返回一個(gè)1或0的列表,以指示腳本是否已經(jīng)定義或不在腳本緩存中。在流水線操作之前,這可以確保加載腳本(如果不加載,則使用 SCRIPT LOAD 加載它們),以便可以僅使用 EVALSHA 而不是 EVAL 來執(zhí)行流水線操作以節(jié)省帶寬。

有關(guān) Redis Lua 腳本的詳細(xì)信息,請參閱 EVAL 文檔。

返回值

Array reply  命令返回與指定的 SHA1 摘要參數(shù)對應(yīng)的整數(shù)數(shù)組。對于腳本緩存中實(shí)際存在的腳本的每個(gè)對應(yīng) SHA1 摘要,返回1,否則返回0。

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