Re: Model inheritance with constraints

Its already addressed.

You can simply run ./manage.py makemigrations and ./manage.py migrate

it will create migrations only for MyAnotherFunModel

On Thursday, 26 May 2016 01:02:08 UTC+5:30, Arnab Banerji wrote:

Hi all,

I currently have a set of models associated with my Django app, with the database already containing data with respect to these tables (models). 

What I have

=========

class MyFunModel(models.Model):

    my_foo_field = <blah>

What I am attempting to add

=====================

class MyAnotherFunModel(MyFunModel):

    my_another_foo_field = <blah>

Such that the migration gives me *only* <app>_myanotherfunmodel table with fields "my_foo_field" and "my_another_foo_field", *without* touching any data in the <app>_myfunmodel table. 

None of the options in https://docs.djangoproject.com/en/dev/topics/db/models/#model-inheritance seem to address this case, or maybe I am missing something?

Thanks,

AB

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