django1/tests/regressiontests/null_fk/models.py

34 lines
847 B
Python

"""
Regression tests for proper working of ForeignKey(null=True).
"""
from django.db import models
class SystemDetails(models.Model):
details = models.TextField()
class SystemInfo(models.Model):
system_details = models.ForeignKey(SystemDetails)
system_name = models.CharField(max_length=32)
class Forum(models.Model):
system_info = models.ForeignKey(SystemInfo)
forum_name = models.CharField(max_length=32)
class Post(models.Model):
forum = models.ForeignKey(Forum, null=True)
title = models.CharField(max_length=32)
def __unicode__(self):
return self.title
class Comment(models.Model):
post = models.ForeignKey(Post, null=True)
comment_text = models.CharField(max_length=250)
class Meta:
ordering = ('comment_text',)
def __unicode__(self):
return self.comment_text