Book Image

Apache Solr PHP Integration

By : Jayant Kumar
Book Image

Apache Solr PHP Integration

By: Jayant Kumar

Overview of this book

The Search tool is a very powerful for any website. No matter what type of website, the search tool helps visitors find what they are looking for using key words and narrow down the results using facets. Solr is the popular, blazing fast, open source enterprise search platform from the Apache Lucene project. It is highly scalable, providing distributed search and index replication, and it powers the search and navigation features of many of the world's largest websites.This book is a practical, hands-on, end-to-end guide that provides you with all the tools required to build a fully-featured search application using Apache Solr and PHP. The book contains practical examples and step-by-step instructions.Starting off with the basics of installing Apache Solr and integrating it with Php, the book then proceeds to explore the features provided by Solr to improve searches using Php. You will learn how to build and maintain a Solr index using Php, discover the query modes available with Solr, and how to use them to tune the Solr queries to retrieve relevant results. You will look at how to build and use facets in your search, how to tune and use fast result highlighting, and how to build a spell check and auto complete feature using Solr. You will finish by learning some of the advanced concepts required to runa large-scale enterprise level search infrastructure.
Table of Contents (15 chapters)
Apache Solr PHP Integration
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

The stats component


The stats component can be used to return simple statistics for indexed numeric fields in the document set returned by a Solr query. Let us get the statistics for prices of all books in our index. We will also facet on price and availability (inStock) and see the output.

Tip

It is advisable to use a templating engine instead of writing HTML code inside PHP.

Create the query to fetch all books and set the number of rows to 0 as we are not interested in the results but only the statistics, which will be fetched as a separate component as given in the following query:

  $query->setQuery('cat:book');
  $query->setRows(0);

Get the stats component and create statistics for field price and create facets on price and inStock fields.

  $statsq = $query->getStats();
  $statsq->createField('price')->addFacet('price')->addFacet('inStock');

Execute the query and fetch the stats component from the result-set as given in the following query:

  $resultset = $client->select...