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Pentaho 3.2 Data Integration: Beginner's Guide

You're reading from  Pentaho 3.2 Data Integration: Beginner's Guide

Product type Book
Published in Apr 2010
Publisher Packt
ISBN-13 9781847199546
Pages 492 pages
Edition 1st Edition
Languages

Table of Contents (27) Chapters

Pentaho 3.2 Data Integration Beginner's Guide
Credits
Foreword
The Kettle Project
About the Author
About the Reviewers
Preface
Getting Started with Pentaho Data Integration Getting Started with Transformations Basic Data Manipulation Controlling the Flow of Data Transforming Your Data with JavaScript Code and the JavaScript Step Transforming the Row Set Validating Data and Handling Errors Working with Databases Performing Advanced Operations with Databases Creating Basic Task Flows Creating Advanced Transformations and Jobs Developing and Implementing a Simple Datamart Taking it Further Working with Repositories Pan and Kitchen: Launching Transformations and Jobs from the Command Line Quick Reference: Steps and Job Entries Spoon Shortcuts Introducing PDI 4 Features Pop Quiz Answers Index

Time for action – generating the files with top scores by nesting jobs


Let's modify the job that updates the global examination file, so at the end it generates updated top scores files:

  1. Open the examinations job you created in the first tutorial of this chapter.

  2. After the last transformation job entry, add a job entry as Job. You will find it under the General category of entries.

  3. Double-click the Job job entry.

  4. Type ${Internal.Job.Filename.Directory}/top_scores_flow.kjb as Job filename.

  5. Click on OK.

  6. Save the job.

  7. Pick an examination that you have not yet appended to the global file—for example, exam5.txt.

  8. Press F9.

  9. In the Arguments grid, type the full path of the chosen file: c:/pdi_files/input/exam5.txt.

  10. Click on Launch.

  11. In the Job metrics tab of the Execution results window, you will see the following:

  12. Also the chosen file should have been added to the global file, and updated files with top scores should have been generated.

What just happened?

You modified the job that updates the global...

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