But your schema's will most likely change over time. And sometimes in
significant ways which do not have a likely default; e.g. splitting a
full_name field into a first_name and last_name field or visa-versa.

Now after applying this change to the database, how will
django-reversions work when you want to undo and go back to an earlier
version of a record in this table ? (which didn't have this change)

The fields in the database/model now do not match against the serialized
copy right ?

Bas


On Wed, 2008-10-01 at 16:52 +0100, David Hall wrote:
> This discussion has been moved from django-developers.
> 
> To answer a pending question:  This application is for tracking versions 
> of data, not performing database schema migrations.  Thus:
> 
>    - django-evolution concerns itself with maintaining versions of
>      database schemas.
> 
>    - django-reversion deals with maintaining versions of the model data.
> 
> It does not integrate with subversion.  Instead, it uses the django 
> serialization framework to store serialized models in a special database 
> table.
> 
> David.
> 
> David Hall wrote:
> > I've just released an open-source version control application for
> > Django.  It is available for download from Google code.
> > 
> > http://code.google.com/p/django-reversion/
> > 
> > Features include:
> > 
> >   - Roll back to any point in a model's history - an unlimited undo
> > facility!
> >   - Recover deleted models - never lose data again!
> >   - Admin integration for maximum usability.
> >   - Group related changes into revisions that can be rolled back in a
> > single transaction.
> >   - Automatically save a new version whenever your model changes using
> > Django's flexible signalling framework.
> >   - Automate your revision management with easy-to-use middleware.
> > 
> > It can be easily added to your existing Django project with an
> > absolute minimum of code changes.
> > 
> > It's so far been previewed by a half dozen developers, with good
> > feedback.  I'd appreciate any comments / suggestions you may have to
> > offer.
> > 
> > > 
> 


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