SUNIONSTORE
Syntax
SUNIONSTORE destination key [key ...]
- Available since:
- 1.0.0
- Time complexity:
- O(N) where N is the total number of elements in all given sets.
- ACL categories:
-
@write,@set,@slow,
This command is equal to SUNION, but instead of returning the resulting set,
it is stored in destination.
If destination already exists, it is overwritten.
Return
Integer reply: the number of elements in the resulting set.