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This document uses PHP Chinese website manual Release
Redis Sunion 命令返回给定集合的并集。不存在的集合 key 被视为空集。
redis Sunion 命令基本语法如下:
redis 127.0.0.1:6379> SUNION KEY KEY1..KEYN
>= 1.0.0
并集成员的列表。
redis 127.0.0.1:6379> SADD myset1 "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset1 "world" (integer) 1 redis 127.0.0.1:6379> SADD myset1 "bar" (integer) 1 redis 127.0.0.1:6379> SADD myset2 "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset2 "bar" (integer) 1 redis 127.0.0.1:6379> SUNION myset1 myset2 1) "bar" 2) "world" 3) "hello" 4) "foo"