- Usage:
-
ZDIFF numkeys key [ key ... ] [ WITHSCORES ]
- 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.
- Since:
- 6.2.0
- ACL Categories:
- @sortedset, @read, @slow
- Array reply: the result of the difference including, optionally, scores when the WITHSCORES option is used.
This command is similar to ZDIFFSTORE, but instead of storing the resulting
sorted set, it is returned to the client.
Examples
127.0.0.1:6379> ZADD zset1 1 "one"
(integer) 1
127.0.0.1:6379> ZADD zset1 2 "two"
(integer) 1
127.0.0.1:6379> ZADD zset1 3 "three"
(integer) 1
127.0.0.1:6379> ZADD zset2 1 "one"
(integer) 1
127.0.0.1:6379> ZADD zset2 2 "two"
(integer) 1
127.0.0.1:6379> ZDIFF 2 zset1 zset2
1) "three"
127.0.0.1:6379> ZDIFF 2 zset1 zset2 WITHSCORES
1) "three"
2) "3"
Slack
GitHub
LinkedIn
X.com
Connect
