On Sun, 2008-06-29 at 02:55 -0700, zenx wrote:
> Can you make a model that inherits from another model with multi-table
> inheritance and that can have a null parent? Or should do that always
> with OneToOneFIeld(null=True) ?
No. The assumption is that the parent link will always be non-null.
After all, inheritance is saying you have an "is-a" relationship and it
doesn't really make sense to say "foo is-a nothing". If the "parent" can
be null, it's more of an attribute than an ancestor ("has-a", not
"is-a").
Regards,
Malcolm
> >
>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Django users" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/django-users?hl=en
-~----------~----~----~----~------~----~------~--~---
