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Django 2 by Example

You're reading from   Django 2 by Example Build powerful and reliable Python web applications from scratch

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Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781788472487
Length 526 pages
Edition 1st Edition
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Author (1):
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Antonio Melé Antonio Melé
Author Profile Icon Antonio Melé
Antonio Melé
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Table of Contents (15) Chapters Close

Preface 1. Building a Blog Application 2. Enhancing Your Blog with Advanced Features FREE CHAPTER 3. Extending Your Blog Application 4. Building a Social Website 5. Sharing Content in Your Website 6. Tracking User Actions 7. Building an Online Shop 8. Managing Payments and Orders 9. Extending Your Shop 10. Building an E-Learning Platform 11. Rendering and Caching Content 12. Building an API 13. Going Live 14. Other Books You May Enjoy

Adding full-text search to your blog

Now, you will add search capabilities to your blog. The Django ORM allows you to perform simple matching operations using, for example, the contains filter (or its case-insensitive version, icontains). You can use the following query to find posts that contain the word framework in their body:

from blog.models import Post
Post.objects.filter(body__contains='framework')

However, if you want to perform complex search lookups, retrieving results by similarity or by weighting terms, you will need to use a full-text search engine.

Django provides a powerful search functionality built on top of PostgreSQL full-text search features. The django.contrib.postgres module provides functionalities offered by PostgreSQL that are not shared by the other databases that Django supports. You can...

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