Book Image

Apache Solr 4 Cookbook

By : Rafał Kuć
Book Image

Apache Solr 4 Cookbook

By: Rafał Kuć

Overview of this book

<p>Apache Solr is a blazing fast, scalable, open source Enterprise search server built upon Apache Lucene. Solr is wildly popular because it supports complex search criteria, faceting, result highlighting, query-completion, query spell-checking, and relevancy tuning, amongst other numerous features.<br /><br />"Apache Solr 4 Cookbook" will show you how to get the most out of your search engine. Full of practical recipes and examples, this book will show you how to set up Apache Solr, tune and benchmark performance as well as index and analyze your data to provide better, more precise, and useful search data.<br /><br />"Apache Solr 4 Cookbook" will make your search better, more accurate and faster with practical recipes on essential topics such as SolrCloud, querying data, search faceting, text and data analysis, and cache configuration.<br /><br />With numerous practical chapters centered on important Solr techniques and methods, Apache Solr 4 Cookbook is an essential resource for developers who wish to take their knowledge and skills further. Thoroughly updated and improved, this Cookbook also covers the changes in Apache Solr 4 including the awesome capabilities of SolrCloud.</p>
Table of Contents (18 chapters)
Apache Solr 4 Cookbook
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

How to modify data while importing with Data Import Handler


After we indexed the users and made the indexing incremental (the How to properly configure Data Import Handler and How to import data using Data Import Handler and delta query recipes), we were asked if we could modify the data a bit. Actually it would be perfect if we could split name and surname into two fields in the index while those two reside in a single column in the database. And of course, updating the database is not an option (trust me – it almost never is). Can we do that? Of course we can, we just need to add some more configuration details in Data Import Handler and use a transformer. This task will show you how to do that.

Getting ready

Please refer to the How to properly configure Data Import Handler recipe in this chapter to get to know the basics about the Data Import Handler configuration. Also, to be able to run examples in this chapter, you need to run Solr in the servlet container run on Java 6 or later. I assume...