Am 15.08.2012 um 01:49 schrieb Russell Keith-Magee:
> This SQL "Standard" of which you speak… do you know of anyone that
> implements it? :-)
Yes. Look here:
http://www.postgresql.org/docs/9.1/static/features.html
At a minimum, I expect such a conformance list from a vendor.
>
> Python code. Python doesn't have a concept of an enumerated type, so
> there hasn't been a whole lot of effort focussed on that feature.
I will try the enumField from Jonathan S. Katz:
https://github.com/jkatz/django_postgres_extensions
>> but the real stopper was that dj does not support NULL on TEXT columns.
>
> Incorrect. At a model level, you can certainly store NULL in a
> TextField column (or any other char-like column for that matter).
Good to know.
> This could be addressed at the form level, but it will involve a
> little bit of tinkering (specifically, overriding the to_python method
> on django.forms.CharField). However, once you've written a CharField
> that treats blanks the way you want, you just need to remember to use
> your own form library rather than Django's defaults.
Ah, that the pointer, I looked for.
>
> So - the fact that you have a database with a bunch of pre-existing
> expectations is going to cause you some difficulties, but they
> shouldn't be impossible to overcome. You are, however, going to be
> spending some quality time overriding defaults, and getting to know
> Django's internals pretty well. :-)
I will try and with the help of this list hopefully finally succeed. (-;
Thanks, Axel
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