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Code Issues 32 Releases Wiki Activity

Fixed #21127 -- Started deprecation toward requiring on_delete for ForeignKey/OneToOneField

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This commit is contained in:
Flavio Curella
2015-07-22 09:43:21 -05:00
committed by Tim Graham
parent 87d55081ea
commit c2e70f0265
176 changed files with 1525 additions and 1008 deletions
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22
tests/distinct_on_fields/models.py
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@@ -7,8 +7,13 @@ from django.utils.encoding import python_2_unicode_compatible
@python_2_unicode_compatible
class Tag(models.Model):
name = models.CharField(max_length=10)
parent = models.ForeignKey('self', blank=True, null=True,
related_name='children')
parent = models.ForeignKey(
'self',
models.SET_NULL,
blank=True,
null=True,
related_name='children',
)
class Meta:
ordering = ['name']
@@ -20,14 +25,19 @@ class Tag(models.Model):
@python_2_unicode_compatible
class Celebrity(models.Model):
name = models.CharField("Name", max_length=20)
greatest_fan = models.ForeignKey("Fan", null=True, unique=True)
greatest_fan = models.ForeignKey(
"Fan",
models.SET_NULL,
null=True,
unique=True,
)
def __str__(self):
return self.name
class Fan(models.Model):
fan_of = models.ForeignKey(Celebrity)
fan_of = models.ForeignKey(Celebrity, models.CASCADE)
@python_2_unicode_compatible
@@ -44,8 +54,8 @@ class Staff(models.Model):
@python_2_unicode_compatible
class StaffTag(models.Model):
staff = models.ForeignKey(Staff)
tag = models.ForeignKey(Tag)
staff = models.ForeignKey(Staff, models.CASCADE)
tag = models.ForeignKey(Tag, models.CASCADE)
def __str__(self):
return "%s -> %s" % (self.tag, self.staff)