ZDIFFSTORE
Since 1.1.0Sorted sets
Syntax
ZDIFFSTORE destination numkeys key [key ...]Stores what ZDIFF would return at destination, replacing whatever was there.
Reply
- The number of members stored.
Examples
> ZADD s1 1 a 2 b 3 c
(integer) 3
> ZADD s2 10 b 20 c
(integer) 2
> ZDIFFSTORE out3 2 s1 s2
(integer) 1