Relational Routines

Talend Data Management Platform Studio User Guide

EnrichVersion
6.2
EnrichProdName
Talend Data Management Platform
task
Design and Development
Data Quality and Preparation
EnrichPlatform
Talend Studio

Relational routines allow you to check affirmations based on booleans.

To access these routines, double click on the Relational class under the system folder. The Relational class contains several routines, notably:

Routine

Description

Syntax

ISNULL

Checks if the variable provided is a null value.

Relational.ISNULL(variable to be checked)

To check a Relational Routine, you can use the ISNULL routine, along with a tJava component, for example:

System.out.printIn(Relational.ISNULL(NULL));

In this example, the test result is displayed in the Run view: