blob: 6a7da8f620f404abfca901f875358f1fb3113bf2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
"""
Regression tests for proper working of ForeignKey(null=True).
"""
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
class SystemDetails(models.Model):
details = models.TextField()
class SystemInfo(models.Model):
system_details = models.ForeignKey(SystemDetails, models.CASCADE)
system_name = models.CharField(max_length=32)
class Forum(models.Model):
system_info = models.ForeignKey(SystemInfo, models.CASCADE)
forum_name = models.CharField(max_length=32)
@python_2_unicode_compatible
class Post(models.Model):
forum = models.ForeignKey(Forum, models.SET_NULL, null=True)
title = models.CharField(max_length=32)
def __str__(self):
return self.title
@python_2_unicode_compatible
class Comment(models.Model):
post = models.ForeignKey(Post, models.SET_NULL, null=True)
comment_text = models.CharField(max_length=250)
class Meta:
ordering = ('comment_text',)
def __str__(self):
return self.comment_text
# Ticket 15823
class Item(models.Model):
title = models.CharField(max_length=100)
class PropertyValue(models.Model):
label = models.CharField(max_length=100)
class Property(models.Model):
item = models.ForeignKey(Item, models.CASCADE, related_name='props')
key = models.CharField(max_length=100)
value = models.ForeignKey(PropertyValue, models.SET_NULL, null=True)
|