apoc.coll.containsDuplicates

Function

apoc.coll.containsDuplicates(coll LIST<ANY>) - returns true if a collection contains duplicate elements.

Signature

apoc.coll.containsDuplicates(coll :: LIST<ANY>) :: BOOLEAN

Input parameters

Name Type Default

coll

LIST<ANY>

null

Usage examples

The following indicates whether a list contains duplicate values:

RETURN apoc.coll.containsDuplicates([1,3,5,7,9,9]) AS output;
Table 1. Results
Output

true