If you are absolutely sure the field is filled in (the sequence is
defined) I guess you can allow it to be null in the model definition.
On Tue, May 10, 2011 at 7:33 PM, wilbur wrote:
> Using exclude works to eliminate this sample_id field from the form,
> but I get a
>
> 'Null
>
> Will south add in the new ID field?
I have never come across a situation where South was not able to change
something in a table for me, so far. Try it please.
On Tue, May 10, 2011 at 1:52 PM, wilbur wrote:
> I definitely need to keep the database, and have South installed,
I definitely need to keep the database, and have South installed, but
should I get rid of the original primary key and the sequence it
depends on? Will south add in the new ID field?
On May 10, 11:48 am, Shawn Milochik wrote:
> If you don't mind losing all your data you can
If you don't mind losing all your data you can destroy the database then
do syncdb.
If you re-run syncdb without re-creating the database then it will do
nothing for existing tables.
You can use South[1] if you need to keep your data intact.
[1] http://south.aeracode.org/
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I will try just removing it from the model. Does this mean I should
remove the sample_id variable from the Postgres database as well. Will
running syncdb create the new id field for that table?
On May 10, 10:33 am, wilbur wrote:
> Using exclude works to eliminate this sample_id
I think the problem is that you used IntegerField instead of AutoField.
http://docs.djangoproject.com/en/1.3/ref/models/fields/#autofield
However, why even bother? Why not get rid of that field and use the
built-in id field that you're going to get from a Django model? There's
no benefit at
Thanks for helping on this Shawn...
My model definition looks like this:
class Sample(models.Model):
met_type = models.ForeignKey(MetType, verbose_name='Meteorite
Type')
sample_name = models.CharField(max_length=100,
verbose_name='Sample Name')
sample_id =
What's your model look like?
Did you add the foreign_key = True kwarg to the field in question?
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Using exclude works to eliminate this sample_id field from the form,
but I get a
'Null value in column "sample_id" violates not-null constraint'
If one inserts a record directly through Postgresql command line, the
sample_id field gets incremented automatically with its sequence, but
it does not
http://docs.djangoproject.com/en/1.3/ref/contrib/admin/
Check out 'fields' and 'exclude.'
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I am using Django 1.2.4 with a Postgresql 8.4 backend. Before creating
my models in Django, I began with a existing Postgresql database with
tables for which I had defined integer primary keys that used an
autoincrementing sequence on table inserts. When I created my Django
models, I defined the
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