Django on_delete rules

from django.conf import settings
from django.contrib.auth import get_user_model
from django.db import models

def get_sentinel_user():
    return get_user_model().objects.get_or_create(username='deleted')[0]

class MyModel(models.Model):
    user = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.SET(get_sentinel_user),
    )

Source: docs.djangoproject.com

Similar codes

2 votes138 views1 answer
Django.core.exceptions.ImproperlyConfigured
Python Django
1 vote141 views1 answer
Difference between get and filter in django
Python Django
0 vote86 views1 answer
Get value of variable in session django
Python Django
1 vote134 views1 answer
Get csrf_token value in django template
Python Django
1 vote136 views1 answer
Django login redirect
Python Django
1 vote133 views1 answer
User matching query does not exist. django
Python Django
0 vote147 views1 answer
Django save object in view
Python Django
10 votes136 views2 answers
Adding static file and its usage in Django
Python Django
2 votes130 views2 answers
Or operator django
Python Django
2 votes138 views1 answer
Django group with permission
Python Django