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 votes203 views1 answer
Append one column pandas dataframe
Python
34 votes184 views6 answers
How to open a file in python
Python
2 votes207 views1 answer
Get stats from array
Python
0 vote213 views3 answers
Flask socketio with gevent
Python Flask
0 vote197 views1 answer
Python datetime add one week
Python
0 vote210 views1 answer
Change size of image and fir it into numpy array opencv
Python
0 vote211 views1 answer
RuntimeError: Please use tf.experimental.tensorrt.Converter in TF 2.0. site:stackoverflow.com
Python
0 vote165 views1 answer
Tkinter set text
Python
0 vote198 views1 answer
ImportError: cannot import name 'dedent' from 'matplotlib.cbook'
Python
1 vote181 views2 answers
Check if user has manage messages discord.py
Python