Re: migration via south for inheritance change -> please help

...no one?

regards, mcJack

2012/7/2 mcJack <mcjack@gmail.com>:
> Hi all,
>
> I've got a problem migrating some changes in the model, so I tried to solve
> it with south.
> The situation:
> I implemented two classes, which share some functionality. Now that I
> improved a little with python, django and co. I wanted to use inheritance
> for that issue.
> The model looks like this:
>
> class Foo(models.Model):
> eggs = models.TextField( null=True, blank=True )
> plants = models.TextField( null=True, blank=True )
> carpet = models.IntegerField()
>
> class Bar(models.Model):
> eggs = models.TextField( null=True, blank=True )
> plants = models.TextField( null=True, blank=True )
> car = models.IntegerField()
>
>
> And obviously I want to transform to:
> class Base(models.Model):
> eggs = models.TextField( null=True, blank=True )
> plants = models.TextField( null=True, blank=True )
>
> class Foo(models.Model):
> base = models.OneToOneField( 'Base', parent_link=True )
> carpet = models.IntegerField()
>
> class Bar(models.Model):
> base = models.OneToOneField( 'Base', parent_link=True )
> car = models.IntegerField()
>
> But how can I tell south to fill the super class with the data from the old
> schema?
>
> Can I add this information manually in the created migration script? or is
> there an option/switch I didn't notice?
>
> Any hints are very welcome, thanks a lot
>
> mcJack
>
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--
Daniel Walz - mcJack@gmail.com
Bremen, Germany

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