ZUNIONSTORE
Store the union of the given sorted sets into destination.
ZUNIONSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]Complexity
O(sum of the source cardinalities + R log R)
Complexity and compatibility are read out of kevy's implementation, not copied from Redis's reference. Several genuinely differ.
Redis compatibility
Compatible
Behaves as Redis does.
See also
BZPOPMINZADDZCARDZCOUNTZDIFFSTOREZINCRBYZINTERCARDZINTERSTOREZPOPMINZPOPMIN.BELOWZRANGEZRANGEBYSCOREZRANKZREMZREMRANGEBYRANKZREMRANGEBYSCOREZREVRANGEBYSCOREZSCANZSCORE