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

1 vote67 views1 answer
Django crispy forms foundation for site
Python Django
0 vote133 views1 answer
Pass query params django template
Python Django
0 vote120 views1 answer
Django db_index=true
Python Django
0 vote145 views1 answer
Validate delete inline formset django
Python Django
0 vote123 views1 answer
India states django choices
Python Django
10 votes144 views1 answer
Django new static files directory
Python Django
19 votes159 views6 answers
Install Django Windows
Python Django
0 vote135 views1 answer
Django model registration
Python Django
1 vote140 views1 answer
Check if queryset is empty django template
Python Django
15 votes153 views6 answers
Django install
Python Django