How to use Union Method In Django
In this example, we have two QuerySets of authors from the USA and the UK. We use the union method to combine them into a single QuerySet.
Python3
from .models import Author authors1 = Author.objects. filter (country = 'USA' ) authors2 = Author.objects. filter (country = 'UK' ) combined_queryset = authors1.union(authors2) |
How to combine multiple QuerySets in Django?
QuerySets allow you to filter, order, and manipulate data from your database using a high-level Pythonic syntax. However, there are situations where you may need to combine multiple QuerySets into a single QuerySet to work with the data more efficiently. This article will explore various methods to achieve this in Django.