/Python/Django/Aggregation with f() in django rest api

Aggregation with f() in django rest api

>>> from django.db.models import Avg, Count
>>> Book.objects.annotate(num_authors=Count('authors')).aggregate(Avg('num_authors'))
{'num_authors__avg': 1.66}

Source: docs.djangoproject.com

Similar codes

13 votes267 views2 answers
Delete database entry using name django
Python Django
2 votes223 views1 answer
Set http response content type django
Python Django
0 vote237 views1 answer
Merge two Querysets in Python Django while preserving Queryset methods
Python Django
0 vote220 views1 answer
Django model manager user
Python Django
4 votes314 views4 answers
How to change django admin text
Python Django
0 vote225 views1 answer
Django x-frame-options allowall
Python Django
0 vote231 views1 answer
Django trigger when an instance od data is deleted from model
Python Django
0 vote222 views1 answer
Free download django app for windows 10
Python Django
0 vote221 views1 answer
How to use django-rest-framework-datatables
Python Django
0 vote222 views1 answer
Input function in django
Python Django