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 sort non-English languages properly


As you probably already know, Solr supports UTF-8 encoding and thus can handle data in many languages. But, if you ever needed to sort some languages that have characters specific to them you probably know that it doesn't work well on a standard Solr string type. This recipe will show you how to deal with sorting in Solr.

How to do it...

These steps tell us how to sort non-English languages properly:

  1. For the purpose of this recipe, I have assumed that we will have to sort text that contains Polish characters. To show the good and bad sorting behaviour we need to create the following index structure (add this to your schema.xml file):

    <field name="id" type="string" indexed="true" stored="true" required="true" /> 
    <field name="name" type="text" indexed="true" stored="true" />
    <field name="name_sort_bad" type="string" indexed="true" stored="true" />
    <field name="name_sort_good" type="text_sort" indexed="true" stored="true" />
  2. Now...