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Learning Pentaho Data Integration 8 CE

You're reading from   Learning Pentaho Data Integration 8 CE An end-to-end guide to exploring, transforming, and integrating your data across multiple sources

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788292436
Length 500 pages
Edition 3rd Edition
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Author (1):
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María Carina Roldán María Carina Roldán
Author Profile Icon María Carina Roldán
María Carina Roldán
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Toc

Table of Contents (17) Chapters Close

Preface 1. Getting Started with Pentaho Data Integration 2. Getting Started with Transformations FREE CHAPTER 3. Creating Basic Task Flows 4. Reading and Writing Files 5. Manipulating PDI Data and Metadata 6. Controlling the Flow of Data 7. Cleansing, Validating, and Fixing Data 8. Manipulating Data by Coding 9. Transforming the Dataset 10. Performing Basic Operations with Databases 11. Loading Data Marts with PDI 12. Creating Portable and Reusable Transformations 13. Implementing Metadata Injection 14. Creating Advanced Jobs 15. Launching Transformations and Jobs from the Command Line 16. Best Practices for Designing and Deploying a PDI Project

Making the data flow between transformations

In this section, you will learn a very simple but useful technique to allow the data flow from one Transformation to another. In other words, you will learn to create a very simple process flow.

For this tutorial, we will continue using the sample file that we just used to learn about sub-transformations.

Transferring data using the copy/get rows mechanism

The copy/get rows mechanism allows you to transfer data between two Transformations, creating a process flow. The following figure shows you how it works:

Copying and getting rows

There is a Copy rows to result step that transfers your rows of data to the outside of the Transformation. Then you can pick that data using...

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