Book Image

Pentaho 3.2 Data Integration: Beginner's Guide

Book Image

Pentaho 3.2 Data Integration: Beginner's Guide

Overview of this book

Pentaho Data Integration (a.k.a. Kettle) is a full-featured open source ETL (Extract, Transform, and Load) solution. Although PDI is a feature-rich tool, effectively capturing, manipulating, cleansing, transferring, and loading data can get complicated.This book is full of practical examples that will help you to take advantage of Pentaho Data Integration's graphical, drag-and-drop design environment. You will quickly get started with Pentaho Data Integration by following the step-by-step guidance in this book. The useful tips in this book will encourage you to exploit powerful features of Pentaho Data Integration and perform ETL operations with ease.Starting with the installation of the PDI software, this book will teach you all the key PDI concepts. Each chapter introduces new features, allowing you to gradually get involved with the tool. First, you will learn to work with plain files, and to do all kinds of data manipulation. Then, the book gives you a primer on databases and teaches you how to work with databases inside PDI. Not only that, you'll be given an introduction to data warehouse concepts and you will learn to load data in a data warehouse. After that, you will learn to implement simple and complex processes.Once you've learned all the basics, you will build a simple datamart that will serve to reinforce all the concepts learned through the book.
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
Index

Time for action – sending the results of matches to a plain file


In the previous tutorial, you read all your "results of matches" files. Now you want to send the data coming from all files to a single output file.

  1. Create a new transformation.

  2. Drag a Text file input step to the canvas and configure it just as you did in the previous tutorial.

  3. Drag a Select values step to the canvas and create a hop from the Text file input step to the Select values step.

  4. Double-click the Select values step.

  5. Click the Get fields to select button.

  6. Modify the fields as follows:

  7. Expand the Output branch of the steps tree.

  8. Drag the Text file output icon to the canvas.

  9. Create a hop from the Select values step to the Text file output step.

  10. Double-click the Text file output step and give it a name.

  11. In the file name type: C:/pdi_files/output/wcup_first_round.

    Tip

    Note that the path contains forward slashes. If your system is Windows, you may use back or forward slashes. PDI will recognize both notations.

  12. In the Content tab, leave...