Accessing the expression editor - 7.3

Talend Open Studio User Guide

Version
7.3
Language
English
Product
Talend Open Studio for Big Data
Talend Open Studio for Data Integration
Talend Open Studio for Data Quality
Talend Open Studio for ESB
Module
Talend Studio
Content
Design and Development
Last publication date
2023-10-11
Available in...

Open Studio for Big Data

Open Studio for Data Integration

Open Studio for ESB

About this task

The expression editor provides visual comfort to write any function or transformation in a handy dedicated view.

You can write the expressions necessary for the data transformation directly in the Expression editor view located in the lower half of the expression editor.

To open the Expression editor view, complete the following:

Procedure

  1. Double-click the tMap component in your Job design to open the Map Editor.
  2. In the lower half of the editor, click the Expression editor tab to open the corresponding view.
    Note: To edit an expression, select it in the Input panel and then click the Expression editor tab and modify the expression as required.
  3. Enter the Java code according to your needs. The corresponding expression in the output panel is synchronized.

Results

Note: Refer to the Java documentation for more information regarding functions and operations.