How do I define a default (override-able) primary key field on an abstract model?

How do I define a custom primary key field on Base that can be
overridden by B without an error?

class Base(Model):
class Meta:
abstract = True
id = SomeAwesomeIDField(primary_key=True)
other_common_field = AwesomeField()

class A(Base):
pass

class B(Base):
a = OneToOneField(A,primary_key=True)

django.db.utils.DatabaseError: table "..." has more than one primary
key

--
You received this message because you are subscribed to the Google Groups "Django users" group.
To post to this group, send email to django-users@googlegroups.com.
To unsubscribe from this group, send email to django-users+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/django-users?hl=en.