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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
1. Getting Started with Pentaho Data Integration 2. Getting Started with Transformations 3. Basic Data Manipulation 4. Controlling the Flow of Data 5. Transforming Your Data with JavaScript Code and the JavaScript Step 6. Transforming the Row Set 7. Validating Data and Handling Errors 8. Working with Databases 9. Performing Advanced Operations with Databases 10. Creating Basic Task Flows 11. Creating Advanced Transformations and Jobs 12. Developing and Implementing a Simple Datamart 13. 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 – keeping a history of product changes with the Dimension lookup/update step


Let's load a puzzles dimension along with the history of the changes in puzzle attributes:

  1. Create a new transformation.

  2. Drag a Table input step to the work area and double-click it.

  3. Select js as Connection.

  4. Type the following query in the SQL area:

    SELECT pro_code
         , man_code
         , pro_name
         , pro_theme
    FROM  products
    WHERE pro_type LIKE 'PUZZLE'
  5. Click on OK.

  6. Add an Add constants step, and create a hop from the Table input, step toward it.

  7. Use the step to add a Date field named changedate. As Format type dd/MM/yyyy, and as Value, type 01/10/2009.

  8. Expand the Data Warehouse category of steps.

  9. Select the Dimension lookup/update step and drag it to the canvas.

  10. Create a hop from the Add constants step to this new step.

  11. Double-click the Dimension lookup/update step.

  12. As Connection select dw.

  13. As Target table type lk_puzzles.

  14. Fill the Key fields as shown:

  15. Select id as Technical key field.

  16. In the frame Creation...

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