ZDIFF numkeys key [key ...] [WITHSCORES]
Available since: 6.2.0
Time complexity: O(L + (N-K)log(N)) worst case where L is the total number of elements in all the sets, N is the size of the first set, and K is the size of the result set.
ACL categories:
@read
@sortedset
@slow
This command is similar to ZDIFFSTORE, but instead of storing the resulting
sorted set, it is returned to the client.
@return
@array-reply: the result of the difference (optionally with their scores, in case
the WITHSCORES option is given).
@examples
redis> ZADD zset1 1 "one"
TBD
redis> ZADD zset1 2 "two"
TBD
redis> ZADD zset1 3 "three"
TBD
redis> ZADD zset2 1 "one"
TBD
redis> ZADD zset2 2 "two"
TBD
redis> ZDIFF 2 zset1 zset2
TBD
redis> ZDIFF 2 zset1 zset2 WITHSCORES