django order_by query set, ascending and descending

Question

How can I order by descending my query set in django by date?

Reserved.objects.all().filter(client=client_id).order_by(\'check_in\')

I just

Answer 1

If for some reason you have null values you can use the F function like this:

from django.db.models import F

Reserved.objects.all().filter(client=client_id).order_by(F('check_in').desc(nulls_last=True))

So it will put last the null values. Documentation by Django: https://docs.djangoproject.com/en/stable/ref/models/expressions/#using-f-to-sort-null-values