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Elasticsearch 8.x Cookbook - Fifth Edition

You're reading from  Elasticsearch 8.x Cookbook - Fifth Edition

Product type Book
Published in May 2022
Publisher Packt
ISBN-13 9781801079815
Pages 750 pages
Edition 5th Edition
Languages
Author (1):
Alberto Paro Alberto Paro
Profile icon Alberto Paro

Table of Contents (20) Chapters

Preface 1. Chapter 1: Getting Started 2. Chapter 2: Managing Mappings 3. Chapter 3: Basic Operations 4. Chapter 4: Exploring Search Capabilities 5. Chapter 5: Text and Numeric Queries 6. Chapter 6: Relationships and Geo Queries 7. Chapter 7: Aggregations 8. Chapter 8: Scripting in Elasticsearch 9. Chapter 9: Managing Clusters 10. Chapter 10: Backups and Restoring Data 11. Chapter 11: User Interfaces 12. Chapter 12: Using the Ingest Module 13. Chapter 13: Java Integration 14. Chapter 14: Scala Integration 15. Chapter 15: Python Integration 16. Chapter 16: Plugin Development 17. Chapter 17: Big Data Integration 18. Chapter 18: X-Pack 19. Other Books You May Enjoy

Executing a standard search

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

Getting ready

You will need an up-and-running Elasticsearch installation, which we described how to get in the Downloading and installing Elasticsearch recipe in Chapter 1, Getting Started.

You will also need the Python packages that were installed in the Creating a client recipe in this chapter.

The code for this recipe can be found in the ch15/code/searching.py file.

How to do it…

To execute a standard query, the client search method must be called by passing the query parameters, as we saw in Chapter 4, Exploring Search Capabilities. The required parameters are index_name, type_name, and the query's DSL. In this recipe, you will learn how to call a match_all query, a term query, and a filter query. Perform the following steps:

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