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

Having two different facet limits for two different fields in the same query


Imagine a situation where you have a database of cars in your application. Besides the standard search results, you want to show two faceting by field results. The first of those two faceting results, the number of cars in each category, should be shown without any limits, while the second faceting, the one showing the cars by their manufacturer, should be limited to a maximum of 10 results. Can we achieve it in one query? Yes, we can, and this recipe will show you how to do it.

Getting ready

Before you start reading this recipe please take a look at the Getting the number of documents with the same field value recipe in this chapter.

How to do it...

  1. For the purpose of the recipe, let's assume that we have the following index structure (just add this to your schema.xml file in the field definition section; we will use the category and manufacturer fields to do the faceting):

    <field name="id" type="string" indexed...