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django orm count

inanpy answered on May 21, 2022 Popularity 9/10 Helpfulness 5/10

answer django orm count

django orm count

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# Build an annotated queryset
>>> from django.db.models import Count
>>> q = Book.objects.annotate(Count('authors'))
# Interrogate the first object in the queryset
>>> q[0]
<Book: The Definitive Guide to Django>
>>> q[0].authors__count
2
# Interrogate the second object in the queryset
>>> q[1]
<Book: Practical Django Projects>
>>> q[1].authors__count
1

Popularity 9/10 Helpfulness 5/10 Language python

Source: docs.djangoproject.com

Tags: count django-orm python

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