Empty (PQL)

The empty function returns a list of data points or members that are empty, based on a cross join against a second list or data point.

  • Returned Output: List
  • Library: PQL \ Semantic \ List
  • Version: 2025.00.000
  • Compatibility: Pyramid Query Language (PQL) data sources

Syntax

Empty( <List> , <List> )

or

Empty( <List> , <Data Point> )

* Click on the function's arguments above for more details on the input values.

Comments
  • Both listings in the first formulation are listings of elements from different attributes.
  • The first formulation assumes the default measure in determining 'emptiness'
  • The second formulation simply looks for empty items in the list based on the numeric data point
  • For details on how to employ and use this function see the semantic calculation overview.
Different Function types

Also see the NonEmpty function.