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

Sorting faceting results in alphabetical order


Imagine a situation where you have a website, where you present some kind of advertisements, for example, house rental advertisements. One of the requirements is to show a list of cities in which the offer, that matched the query typed by the user, are located. So the first thing you think is to use the faceting mechanism – and that's a good idea. But then, your boss tells you that he is not interested in the counts and you have to sort the results in the alphabetical order. So, is Solr able to do it? Of course it is 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 to the field definition section; we will use the city field to do the faceting):

    <field...