Redis SDIFF 命令返回一个集合与给定集合的差集的元素.
返回数组,结果集的元素.
链接:https://www.learnfk.comhttps://www.learnfk.com/redis/sets-sdiff.html
来源:LearnFk无涯教程网
以下是Redis SDIFF 命令的基本语法。
redis 127.0.0.1:6379> SDIFF FIRST_KEY OTHER_KEY1..OTHER_KEYN
redis 127.0.0.1:6379> SADD myset "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset "foo" (integer) 1 redis 127.0.0.1:6379> SADD myset "bar" (integer) 1 redis 127.0.0.1:6379> SADD myset2 "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset2 "Learnfk" (integer) 1 redis 127.0.0.1:6379> SDIFF myset myset2 1) "foo" 2) "bar"
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