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
|
"""
Tests for the update() queryset method that allows in-place, multi-object
updates.
"""
from django.db import models
from django.utils import six
from django.utils.encoding import python_2_unicode_compatible
@python_2_unicode_compatible
class DataPoint(models.Model):
name = models.CharField(max_length=20)
value = models.CharField(max_length=20)
another_value = models.CharField(max_length=20, blank=True)
def __str__(self):
return six.text_type(self.name)
@python_2_unicode_compatible
class RelatedPoint(models.Model):
name = models.CharField(max_length=20)
data = models.ForeignKey(DataPoint)
def __str__(self):
return six.text_type(self.name)
class A(models.Model):
x = models.IntegerField(default=10)
class B(models.Model):
a = models.ForeignKey(A)
y = models.IntegerField(default=10)
class C(models.Model):
y = models.IntegerField(default=10)
class D(C):
a = models.ForeignKey(A)
|
