mirror of
https://github.com/django/django.git
synced 2025-10-26 23:26:08 +00:00
50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
"""
|
|
Tests for the update() queryset method that allows in-place, multi-object
|
|
updates.
|
|
"""
|
|
|
|
from django.db import models
|
|
|
|
|
|
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 self.name
|
|
|
|
|
|
class RelatedPoint(models.Model):
|
|
name = models.CharField(max_length=20)
|
|
data = models.ForeignKey(DataPoint, models.CASCADE)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class A(models.Model):
|
|
x = models.IntegerField(default=10)
|
|
|
|
|
|
class B(models.Model):
|
|
a = models.ForeignKey(A, models.CASCADE)
|
|
y = models.IntegerField(default=10)
|
|
|
|
|
|
class C(models.Model):
|
|
y = models.IntegerField(default=10)
|
|
|
|
|
|
class D(C):
|
|
a = models.ForeignKey(A, models.CASCADE)
|
|
|
|
|
|
class Foo(models.Model):
|
|
target = models.CharField(max_length=10, unique=True)
|
|
|
|
|
|
class Bar(models.Model):
|
|
foo = models.ForeignKey(Foo, models.CASCADE, to_field='target')
|
|
m2m_foo = models.ManyToManyField(Foo, related_name='m2m_foo')
|