In response to your side question:
http://www.djangoproject.com/documentation/model-api/#null
-Brian
On Jun 25, 2:12 pm, Huuuze <[EMAIL PROTECTED]> wrote:
> Between you and Karen, I've resolved the problem. I had a bug here:
>
> >> zip = forms.CharField(max_length=5, widget=widgets.TextInput({'size':5}),
> >> required=False)
>
> That code has been changed to:
>
> >> zip = forms.IntegerField(widget=widgets.TextInput({'size':5,
> >> 'maxlength':5}), required=False)
>
> And good call on the USZipCodeField widget. I'll be certain to make
> us of that.
>
> Side question: I have noticed that empty CharFields (i.e., an empty
> middle name value) get empty string values in the database rather than
> null values. This seems odd. Is that by design with Django? Here is
> the code from my model for that ultimately gets rendered by my
> ModelForm:
>
> >> middle_name = models.CharField(max_length=30, blank=True, null=True)
>
> On Jun 25, 5:02 pm, "Norman Harman" <[EMAIL PROTECTED]> wrote:
>
> > Huuuze wrote:
> > > Thanks for getting back to me. You're correct -- that article is not
> > > a one-for-one match when compared to my problem, so let me tweak my
> > > question.
>
> > > When I attempt to save (my_form.save()) and I leave the zip code field
> > > blank, I receive the following exception:
>
> > > DataError at /person/new/add/
> > > invalid input syntax for integer: ""
>
> > > When I look at the insert statement, sure enough, an empty string is
> > > attempting to make its way into my zip code field.
>
> > > With that being said, do you expect that behavior? If not, how can I
> > > correct the issue? If you do expect that behavior, how can I go about
> > > creating a NullIntegerField? This is new territory for me.
>
> > I don't know what ver of Django you're using by my version certainly
> > appears that it doesn't perform the way you say it does. i.e. it looks
> > like it does not allow "" for Integer fields.
>
> > from '/django/db/models/fields/__init__.py'
>
> > class IntegerField(Field):
> > empty_strings_allowed = False
>
> > Although, It's possible my 3min analysis of what empty_strings_allowed
> > does is wrong. You'd have to look closer at the above file but it looks
> > like overriding this
>
> > def get_db_prep_save(self, value):
> > "Returns field's value prepared for saving into a database."
> > return value
>
> > is what your after. I've not done this before though so "caveat
> > programmer".
>
> > btw, I really think IntegerField is the wrong column type for a zip
> > code. They can be upto 11 chars long and have hyphens. I'd make it
> > CharField or maybe even a USZipCodeField from
> > 'contrib/localflavor/us/forms.py' There's many others in localflavor if
> > your flavor isn't US.
>
> > --
> > Norman J. Harman Jr.
> > Senior Web Specialist, Austin American-Statesman
> > ___________________________________________________________________________
> > You've got fun! Check out Austin360.com for all the entertainment
> > info you need to live it up in the big city!
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