ZINTER
Note
Official reference: ZINTER.
Read an intersection and aggregate member scores.
Syntax
ZINTER numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX] [WITHSCORES]
numkeys must match the number of following source keys.
WEIGHTS supplies one weight per source key, in key order; the default is 1. AGGREGATE chooses sum, minimum or maximum, default SUM.
Results
| Return | Rows | Content |
|---|---|---|
| ResultSet | multiple | ELEMENT field, STRING type SCORE field, DOUBLE type (when using WITHSCORES) |
Example
ZADD demo:ranking 10 alice 20 bob
ZADD demo:other 30 alice
ZINTER 2 demo:ranking demo:other WEIGHTS 1 2 AGGREGATE SUM WITHSCORES