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Fixed #15776 - delete regression in Django 1.3 involving nullable foreign keys

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Many thanks to aaron.l.madison for the detailed report and to emulbreh for
the fix.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16295 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Luke Plant
2011-05-30 16:04:25 +00:00
parent 8ad3c41c69
commit de3b58d626
3 changed files with 28 additions and 4 deletions
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16
tests/regressiontests/delete_regress/models.py
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@@ -51,3 +51,19 @@ class Food(models.Model):
class Eaten(models.Model):
food = models.ForeignKey(Food, to_field="name")
meal = models.CharField(max_length=20)
# Models for #15776
class Policy(models.Model):
policy_number = models.CharField(max_length=10)
class Version(models.Model):
policy = models.ForeignKey(Policy)
class Location(models.Model):
version = models.ForeignKey(Version, blank=True, null=True)
class Item(models.Model):
version = models.ForeignKey(Version)
location = models.ForeignKey(Location, blank=True, null=True)