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

Asking for a particular field value


There are many cases where you will want to ask for a particular field value. For example, when searching for the author of a book in the Internet library or an e-commerce shop. Of course Solr can do that, and this recipe will show you how to do it.

How to do it...

  1. Let's start with the following index structure (just add the following to your schema.xml file to the field definition section):

    <field name="id" type="string" indexed="true" stored="true" required="true" />
    <field name="title" type="text" indexed="true" stored="true" />
    <field name="author" type="string" indexed="true" stored="true"/>
  2. To ask for a value in the author field, send the following query to Solr:

    http://localhost:8983/solr/select?q=author:rafal

That's all. The documents you'll get from Solr will be the ones with the requested value in the author field. Remember that the query shown in the example uses the standard query parser, not DisMax.

How it works...

We defined three...