Set

Set operations: union, intersection, difference, unique.

4 modules

Module	Description
Set Difference	Get elements in first array but not in others
Set Intersection	Get intersection of two or more arrays
Set Union	Get union of two or more arrays
Set Unique	Remove duplicate elements from array

Modules

Set Difference

set.difference

Get elements in first array but not in others

Parameters:

Name	Type	Required	Default	Description
source	array	Yes	-	Source array
exclude	array	Yes	-	Source array

Output:

Field	Type	Description
result	array	Arrays of elements to exclude
count	number	Elements in source but not in exclude arrays
removed_count	number	Elements in source but not in exclude arrays

Set Intersection

set.intersection

Get intersection of two or more arrays

Parameters:

Name	Type	Required	Default	Description
arrays	array	Yes	-	Arrays to intersect (array of arrays)

Output:

Field	Type	Description
result	array	Arrays to intersect (array of arrays)
count	number	Intersection of all arrays

Set Union

set.union

Get union of two or more arrays

Parameters:

Name	Type	Required	Default	Description
arrays	array	Yes	-	Arrays to combine (array of arrays)

Output:

Field	Type	Description
result	array	Arrays to combine (array of arrays)
count	number	Union of all arrays

Set Unique

set.unique

Remove duplicate elements from array

Parameters:

Name	Type	Required	Default	Description
array	array	Yes	-	Array to deduplicate
preserve_order	boolean	No	True	Array to deduplicate

Output:

Field	Type	Description
result	array	Keep first occurrence order
count	number	Array with unique elements
duplicates_removed	number	Array with unique elements