ZDIFF
Syntax
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).