ZDIFF numkeys key [key ...] [WITHSCORES]

This command is similar to ZDIFFSTORE, but instead of storing the resulting sorted set, it is returned to the client.

Return value

Array reply: the result of the difference (optionally with their scores, in case the WITHSCORES option is given).


redis> ZADD zset1 1 "one" (integer) 1 redis> ZADD zset1 2 "two" (integer) 1 redis> ZADD zset1 3 "three" (integer) 1 redis> ZADD zset2 1 "one" (integer) 1 redis> ZADD zset2 2 "two" (integer) 1 redis> ZDIFF 2 zset1 zset2 1) "three" redis> ZDIFF 2 zset1 zset2 WITHSCORES 1) "three" 2) "3"

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