ZUNION numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE <SUM | MIN | MAX>] [WITHSCORES]
- Available since:
- Time complexity:
- O(N)+O(M*log(M)) with N being the sum of the sizes of the input sorted sets, and M being the number of elements in the resulting sorted set.
- ACL categories:
This command is similar to
ZUNIONSTORE, but instead of storing the resulting
sorted set, it is returned to the client.
For a description of the
AGGREGATE options, see
Array reply: the result of union (optionally with their scores, in case
WITHSCORES option is given).