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

Using field aliases


Imagine your products have multiple prices, and depending on your client's location you search one of the defined fields. So you have a field for price in US dollars, in Euros, and so on. But what you would like to do is return the field you are using for displaying the price of the document as a "price" no matter what field you use. This recipe will show you how to do it.

How to do it...

  1. Let's begin with the following index structure (put all the entries in the fields section of your schema.xml file):

    <field name="id" type="string" indexed="true" stored="true" required="true" multiValued="false" />
    <field name="name" type="text" indexed="true" stored="true"/>
    <field name="price_usd" type="double" indexed="true" stored="true" />
    <field name="price_eur" type="double" indexed="true" stored="true" />
    <field name="price_pln" type="double" indexed="true" stored="true" />
  2. We will also use the following test data:

    <add>
     <doc>
      <field...