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

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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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8
tests/m2o_recursive/models.py
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@ -2,7 +2,7 @@
Relating an object to itself, many-to-one
To define a many-to-one relationship between a model and itself, use
``ForeignKey('self')``.
``ForeignKey('self', ...)``.
In this example, a ``Category`` is related to itself. That is, each
``Category`` has a parent ``Category``.
@ -17,7 +17,7 @@ from django.utils.encoding import python_2_unicode_compatible
@python_2_unicode_compatible
class Category(models.Model):
name = models.CharField(max_length=20)
parent = models.ForeignKey('self', blank=True, null=True, related_name='child_set')
parent = models.ForeignKey('self', models.SET_NULL, blank=True, null=True, related_name='child_set')
def __str__(self):
return self.name
@ -26,8 +26,8 @@ class Category(models.Model):
@python_2_unicode_compatible
class Person(models.Model):
full_name = models.CharField(max_length=20)
mother = models.ForeignKey('self', null=True, related_name='mothers_child_set')
father = models.ForeignKey('self', null=True, related_name='fathers_child_set')
mother = models.ForeignKey('self', models.SET_NULL, null=True, related_name='mothers_child_set')
father = models.ForeignKey('self', models.SET_NULL, null=True, related_name='fathers_child_set')
def __str__(self):
return self.full_name