django/tests/update/models.py

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"""
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)
class Foo(models.Model):
target = models.CharField(max_length=10, unique=True)
class Bar(models.Model):
foo = models.ForeignKey(Foo, to_field='target')