apoc.coll.union

Function APOC Core

apoc.coll.union(first, second) - creates the distinct union of the 2 lists

Signature

apoc.coll.union(first :: LIST? OF ANY?, second :: LIST? OF ANY?) :: (LIST? OF ANY?)

Name	Type	Default
first	LIST? OF ANY?	null
second	LIST? OF ANY?	null

Name

Type

Default

first

LIST? OF ANY?

null

second

LIST? OF ANY?

null

The following creates a distinct union of two lists:

RETURN apoc.coll.union([1,2,3,4,5], [3,4,5,6,7]) AS output;

Table 1. Results
Output
[1, 2, 3, 4, 5, 6, 7]