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
|
"""
Regression tests for the interaction between model inheritance and
select_related().
"""
from django.db import models
class Place(models.Model):
name = models.CharField(max_length=50)
class Meta:
ordering = ('name',)
def __unicode__(self):
return u"%s the place" % self.name
class Restaurant(Place):
serves_sushi = models.BooleanField()
serves_steak = models.BooleanField()
def __unicode__(self):
return u"%s the restaurant" % self.name
class Person(models.Model):
name = models.CharField(max_length=50)
favorite_restaurant = models.ForeignKey(Restaurant)
def __unicode__(self):
return self.name
__test__ = {'API_TESTS':"""
Regression test for #7246
>>> r1 = Restaurant.objects.create(name="Nobu", serves_sushi=True, serves_steak=False)
>>> r2 = Restaurant.objects.create(name="Craft", serves_sushi=False, serves_steak=True)
>>> p1 = Person.objects.create(name="John", favorite_restaurant=r1)
>>> p2 = Person.objects.create(name="Jane", favorite_restaurant=r2)
>>> Person.objects.order_by('name').select_related()
[<Person: Jane>, <Person: John>]
>>> jane = Person.objects.order_by('name').select_related('favorite_restaurant')[0]
>>> jane.favorite_restaurant.name
u'Craft'
"""}
|
