difference function

The difference function finds the values that are in set A but not in set B

Description

Finds the difference of two sets

Example

Finds the elements in the first set that are not part of the second set.

difference(
  union("A", "B"),
  union("B", "C", "D")
)

Will give result “A”

Example

Find jobs that are installed on instance ‘test-1′ but not on ‘test-2′.

difference(
    instance[name = 'test-1']/task/id,
    instance[name = 'test-2']/task/id
)

Syntax

difference(expression, expression)

Parameters