LavikZDIFFSTORE
Stores a sorted-set difference in a destination.
Sorted sets · Example verified
Syntax covered here
ZDIFFSTORE destination numkeys keyThe verified one-input operation reports a destination count equal to the source cardinality.
Tested example & replies
Requests below run in order against an empty database. Each connection authenticates with the fixture password first. Quoted values are strings; null is a nil reply; arrays preserve RESP order.
# connection: default
> ZADD scores 1 a 2 b
2
# connection: default
> ZDIFFSTORE result 1 scores
2