On Wednesday, June 13, 2012 5:48:07 AM UTC-6, rahajiyev wrote:
>
> DatabaseError at /
>
> ORA-01446: cannot select ROWID from, or sample, a view with DISTINCT, GROUP
> BY, etc.
>
>
> Unfortunately Django doesn't show the precise statement that caused the
> error.
>
The query it generates is:
Thanks, here's what I came up with:
In the model:
class RowidField(models.CharField):
def __init__(self, *args, **kwargs):
kwargs['name'] = 'rowid'
kwargs['max_length'] = 18
kwargs['primary_key'] = True
super(RowidField,
On Thursday, June 7, 2012 11:22:56 PM UTC-6, rahajiyev wrote:
>
>
> > MyModel.objects.extra(select={'rowid': "rowid || ''"})
> >
> Thanks. I don't think extra() takes primary_key=True, does it?
> I wouldn't want Django to auto-add column id otherwise.
>
> Assuming I have:
>
> MyModel.objects.extra(select={'rowid': "rowid || ''"})
>
Thanks. I don't think extra() takes primary_key=True, does it?
I wouldn't want Django to auto-add column id otherwise.
Assuming I have:
MyModel.objects.extra(select={'id': "rowid || ''"})
OK, that's fine for fetching the ID itself,
On Thursday, June 7, 2012 3:55:37 AM UTC-6, rahajiyev wrote:
>
> There's an existing Oracle database I want to hook Django up with. The
> problem is, the table I need lacks single-key primary keys. Oracle
> does provide its unique table-wide ROWID which can normally be used as
> a PK with a few
There's an existing Oracle database I want to hook Django up with. The
problem is, the table I need lacks single-key primary keys. Oracle
does provide its unique table-wide ROWID which can normally be used as
a PK with a few restrictions. But it's a LOB, so a cast to string is
normally required to
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