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Elasticsearch 5.x Cookbook

You're reading from   Elasticsearch 5.x Cookbook Distributed Search and Analytics

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Product type Paperback
Published in Feb 2017
Publisher
ISBN-13 9781786465580
Length 696 pages
Edition 3rd Edition
Languages
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Author (1):
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Alberto Paro Alberto Paro
Author Profile Icon Alberto Paro
Alberto Paro
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Toc

Table of Contents (25) Chapters Close

Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface
1. Getting Started FREE CHAPTER 2. Downloading and Setup 3. Managing Mappings 4. Basic Operations 5. Search 6. Text and Numeric Queries 7. Relationships and Geo Queries 8. Aggregations 9. Scripting 10. Managing Clusters and Nodes 11. Backup and Restore 12. User Interfaces 13. Ingest 14. Java Integration 15. Scala Integration 16. Python Integration 17. Plugin Development 18. Big Data Integration

Executing a standard search


After inserting documents, the most commonly executed action in Elasticsearch is the search. The official Elasticsearch client APIs for searching are similar to the REST API.

Getting ready

You need an up-and-running Elasticsearch installation, as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.

You also need the Python installed packages of the Creating a client recipe of this chapter.

The code of this recipe can be found in the chapter_16/searching.py file.

How to do it…

To execute a standard query, the client method search must be called by passing the query parameters, as we have seen in Chapter 5, Search. The required parameters are index_name, type_name and the query DSL. In this example, we show how to call a match_all query, a term query, and a filter query. We will perform the following steps:

  1. We initialize the client and populate the index:

            import elasticsearch 
            from pprint import pprint...
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