Book Image

Learning Pentaho Data Integration 8 CE - Third Edition

Book Image

Learning Pentaho Data Integration 8 CE - Third Edition

Overview of this book

Pentaho Data Integration(PDI) is an intuitive and graphical environment packed with drag-and-drop design and powerful Extract-Tranform-Load (ETL) capabilities. This book shows and explains the new interactive features of Spoon, the revamped look and feel, and the newest features of the tool including transformations and jobs Executors and the invaluable Metadata Injection capability. We begin with the installation of PDI software and then move on to cover all the key PDI concepts. Each of the chapter introduces new features, enabling you to gradually get practicing with the tool. First, you will learn to do all kind of data manipulation and work with simple plain files. Then, the book teaches you how you can work with relational databases inside PDI. Moreover, you will be given a primer on data warehouse concepts and you will learn how to load data in a data warehouse. During the course of this book, you will be familiarized with its intuitive, graphical and drag-and-drop design environment. By the end of this book, you will learn everything you need to know in order to meet your data manipulation requirements. Besides, your will be given best practices and advises for designing and deploying your projects.
Table of Contents (17 chapters)

Splitting streams unconditionally


Until now, you have been working with simple and straight flows of data. However, often the rows of your dataset have to take different paths and those simple flows are not enough. This situation can be handled very easily, and you will learn how to do it in this section.

For the exercises about splitting streams, we will use information from the Pentaho BI Platform Tracking site. So, before starting with the PDI subject, let's introduce the Tracking site. On this site, you can see the current Pentaho roadmap and browse its issue-tracking system.

The following instructions are for exporting the list of proposed new features for PDI from the site:

  1. Access the main Pentaho Tracking site page at http://jira.pentaho.com.

Note

At this point, you may want to create a user ID. Logging is not mandatory, but it is beneficial if you want to create new issues or vote or comment on existing ones.

  1. In the menu at the top of the screen, select Issues | Search for issues. A list...