redis SUNION command

union

UK[ˈju:niən] US[ˈjunjən]

n. Alliance, alliance; association, union; union, unity

adj. Plural of unions

: unions

redis SUNION command syntax

Function:Returns all members of a set, which is the union of all given sets.

Syntax:SUNION key [key ...]

Description:Non-existent keys are considered empty sets.

Available versions:>= 1.0.0

Time complexity:O(N), N is all members of the given set The sum of the quantities.

Returns:The list of union members.

redis SUNION command example

redis> SMEMBERS songs 1) "Billie Jean" redis> SMEMBERS my_songs 1) "Believe Me" redis> SUNION songs my_songs 1) "Billie Jean" 2) "Believe Me"