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Talend Open Studio Cookbook

You're reading from  Talend Open Studio Cookbook

Product type Book
Published in Oct 2013
Publisher Packt
ISBN-13 9781782167266
Pages 270 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Rick Barton Rick Barton
Profile icon Rick Barton
LinkedIn
Rick Barton is a freelance consultant who has specialized in data integration and ETL for the last 13 years as part of an IT career spanning over 25 years. After gaining a degree in Computer Systems from Cardiff University, he began his career as a firmware programmer before moving into Mainframe data processing and then into ETL tools in 1999. He has provided technical consultancy to some of the UKs largest companies, including banks and telecommunications companies, and was a founding partner of a Big Data integration consultancy. Four years ago he moved back into freelance development and has been working almost exclusively with Talend Open Studio and Talend Integration Suite, on multiple projects, of various sizes, in UK. It is on these projects that he has learned many of the lessons that can be found in this, his first book.
See other products by Rick Barton

Table of Contents (21) Chapters

Talend Open Studio Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introduction and General Principles 2. Metadata and Schemas 3. Validating Data 4. Mapping Data 5. Using Java in Talend 6. Managing Context Variables 7. Working with Databases 8. Managing Files 9. Working with XML, Queues, and Web Services 10. Debugging, Logging, and Testing 11. Deploying and Scheduling Talend Code 12. Common Mistakes and Other Useful Hints and Tips Common Type Conversions
Management of Contexts Index

Managing database sessions

Database sessions allow the developer to control how and when the data is committed to a database. This recipe shows how this is achieved in Talend.

Getting ready

Open the job jo_cook_ch07_0060_databaseSession. On inspection, you will see that the job has been set up to commit after each record has been written.

How to do it…

The steps to be performed are as follows:

  1. Run the job. You will see that it is very slowly adding the records to the database.

  2. Kill the job. If you inspect the database table testSession, you will see that the records have been added to the database.

  3. Drag tMysqlConnection from the metadata panel and tMysqlCommit from the palette (note that this isn't available from the Repository panel) and wire up as shown in the following screenshot:

  4. Open tMysqlOutput and tick the option for Use an existing connection. You will see that all the connection information is now hidden.

  5. Run the job and Kill it before all ten records have been processed. If you examine...

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Authors (1)

Profile icon Rick Barton
LinkedIn
Rick Barton is a freelance consultant who has specialized in data integration and ETL for the last 13 years as part of an IT career spanning over 25 years. After gaining a degree in Computer Systems from Cardiff University, he began his career as a firmware programmer before moving into Mainframe data processing and then into ETL tools in 1999. He has provided technical consultancy to some of the UKs largest companies, including banks and telecommunications companies, and was a founding partner of a Big Data integration consultancy. Four years ago he moved back into freelance development and has been working almost exclusively with Talend Open Studio and Talend Integration Suite, on multiple projects, of various sizes, in UK. It is on these projects that he has learned many of the lessons that can be found in this, his first book.
Read more
See other products by Rick Barton

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