apoc.coll.combinations

Function APOC Core

apoc.coll.combinations(coll, minSelect, maxSelect:minSelect) - Returns collection of all combinations of list elements of selection size between minSelect and maxSelect (default:minSelect), inclusive

Signature

apoc.coll.combinations(coll :: LIST? OF ANY?, minSelect :: INTEGER?, maxSelect = -1 :: INTEGER?) :: (LIST? OF ANY?)

Input parameters

Name	Type	Default
coll	LIST? OF ANY?	null
minSelect	INTEGER?	null
maxSelect	INTEGER?	-1

Name

Type

Default

coll

LIST? OF ANY?

null

minSelect

INTEGER?

null

maxSelect

INTEGER?

-1

Usage Examples

The following returns a collection of all combinations of list elements of selection size between 3 and 4 elements:

RETURN apoc.coll.combinations([1,3,5,7,9], 3, 4) AS output;

Table 1. Results
Output
[[1, 3, 5], [1, 3, 7], [1, 5, 7], [3, 5, 7], [1, 3, 9], [1, 5, 9], [3, 5, 9], [1, 7, 9], [3, 7, 9], [5, 7, 9], [1, 3, 5, 7], [1, 3, 5, 9], [1, 3, 7, 9], [1, 5, 7, 9], [3, 5, 7, 9]]