How to sort by DateTimeField but only by date (django)?

Question

Django

There is a field DateTimeField.
It is necessary to sort so that time is not taken into account.
As a result, you need to sort the result by date, and then by rating. If time is taken into account in this sorting, then sorting by rating will be meaningless

Answer 1

Foo.objects.extra(select={'d_field': 'date(<field name>)'}).extra(order_by=['d_field'])

Answer 2

Since version 1.9 you can do this:
Bar.objects.all().order_by('my_date_time_field__date')
prooflink: https://docs.djangoproject.com/en/dev/ref/models/q...

Answer 3

Maybe it was necessary to immediately make separate fields for the date and time? And the problem is solved by itself.