ZDIFFSTORE
Note
Official reference: ZDIFFSTORE.
Store a sorted-set difference.
Syntax
ZDIFFSTORE destination numkeys key [key ...]
numkeys must match the number of following source keys.
The result overwrites the destination; an empty result removes it.
Results
| Return | Rows | Content |
|---|---|---|
| Update count | -- | Number of elements in the resulting sorted set. |
Example
ZADD demo:ranking 10 alice 20 bob
ZADD demo:other 30 alice
ZDIFFSTORE demo:diff 2 demo:ranking demo:other