SUNIONSTORE

SUNIONSTORE destination 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.

Examples #

SADD key1 "a"
SADD key1 "b"
SADD key1 "c"
SADD key2 "c"
SADD key2 "d"
SADD key2 "e"
SUNIONSTORE key key1 key2
SMEMBERS key