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Solr Cookbook - Third Edition

You're reading from   Solr Cookbook - Third Edition Solve real-time problems related to Apache Solr 4.x and 5.0 effectively with the help of over 100 easy-to-follow recipes

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Product type Paperback
Published in Jan 2015
Publisher
ISBN-13 9781783553150
Length 356 pages
Edition 3rd Edition
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Author (1):
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Rafal Kuc Rafal Kuc
Author Profile Icon Rafal Kuc
Rafal Kuc
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Table of Contents (12) Chapters Close

Preface 1. Apache Solr Configuration FREE CHAPTER 2. Indexing Your Data 3. Analyzing Your Text Data 4. Querying Solr 5. Faceting 6. Improving Solr Performance 7. In the Cloud 8. Using Additional Functionalities 9. Dealing with Problems 10. Real-life Situations Index

Using scripting update processors to modify documents

Sometimes, we need to modify documents during indexing, and we don't want to do this on the indexing application side. For example, we have documents describing the Internet sites. What we want to be able to do is filter the sites on the basis of the protocol used, for example, http or https. We don't have this information; we only have the whole URL address. Let's see how we can achieve this with Solr.

Getting ready

Before continuing with the following recipe, I suggest reading the Counting the number of fields recipe of this chapter to get used to updating request processor configuration.

How to do it...

The following steps will take you through the process of achieving our goal:

  1. First, we start with the index structure, putting the following section in the schema.xml file:
    <field name="id" type="string" indexed="true" stored="true" required="true" />
    <field name=...
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