#11265: ForeignKey/OneToOneField should support user-defined id attribute name
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Reporter: dstora | Owner: nobody
Status: new | Milestone:
Component: Database layer (models, ORM) | Version:
Resolution: | Keywords: foreign
key ForeignKey OneToOneField id
Stage: Accepted | Has_patch: 1
Needs_docs: 1 | Needs_tests: 1
Needs_better_patch: 0 |
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Comment (by k4ml):
Not sure if this related. This is my models definition:-
{{{
from portal.models import User as DrupalUser
class Profile(models.Model):
profile_id = models.OneToOneField(DrupalUser, parent_link=False,
primary_key=True)
gid = models.ForeignKey(app_group.Group, db_column="gid")
nama_penuh = models.CharField(max_length=128)
class Meta:
db_table = '"app_profile"."profile"'
>>> from portal.models.app_profile import Profile
>>> p = Profile.objects.get(pk=1)
ProgrammingError: column profile.profile_id_id does not exist
LINE 1: SELECT "app_profile"."profile"."profile_id_id", "app_profile...
}}}
`profile_id` is the actual column name in table `app_profile.profile`. My
initial expectation is to use `db_column` parameter just like the second
definition for `gid` field.
I try the patch (against 1.1 release which differ a bit) but got the
following error:-
{{{
>>> from portal.models import User as DrupalUser
>>> u = DrupalUser.objects.get(pk=1)
>>> u.name
u'admin'
>>> u.profile
Traceback (most recent call last):
File "<console>", line 1, in <module>
......
File "/home/kamal/portal/trunk/django/env/lib/python2.5/site-
packages/django/db/models/fields/related.py", line 273, in __set__
self.field.name, self.field.rel.to._meta.object_name))
ValueError: Cannot assign "1": "Profile.profile_id" must be a "User"
instance.
}}}
Before I applied the above patch, there's no `profile` attribute on the
`User` object.
--
Ticket URL: <http://code.djangoproject.com/ticket/11265#comment:4>
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