This was because the default values of the id fields nextval(...) s
were not created in the new db, when I port the data by backup &
restore.
On 7 Haziran, 21:11, omat <[EMAIL PROTECTED]> wrote:
> By the way, I suspect that during moving existing data into the new
> database, somethings might have been broken, like auto incrementation
> sequences.
> But, although I experimented with them a little, it didn't help.
>
> On 7 Haziran, 21:07, omat <[EMAIL PROTECTED]> wrote:
>
> > My application is working in the development environment. I deployed
> > the application in the production and copied the data in Posetgresql
> > db.
>
> > When I try to insert a new "Page" using the admin application, I
> > receive an "IntegrityError: null value in column "id" violates not-
> > null constraint".
>
> > Any ideas?
>
> > Thanks...
>
> > The "Page" model class is as follows:
>
> > class Page(models.Model):
> > title = models.CharField('Başlık',
> > maxlength = 100,
> > core = True,
> > db_index = True)
> > slug = models.SlugField(prepopulate_from = ('title',))
> > body = models.TextField(blank = True,
> > null = True)
> > sections = models.ManyToManyField(Section,
> > blank = True,
> > null = True)
>
> > And this is the traceback:
>
> > Traceback (most recent call last):
>
> > File "/usr/lib/python2.4/site-packages/django/core/handlers/base.py",
> > line 77, in get_response
> > response = callback(request, *callback_args, **callback_kwargs)
>
> > File "/usr/lib/python2.4/site-packages/django/contrib/admin/views/
> > decorators.py", line 55, in _checklogin
> > return view_func(request, *args, **kwargs)
>
> > File "/usr/lib/python2.4/site-packages/django/views/decorators/
> > cache.py", line 39, in _wrapped_view_func
> > response = view_func(request, *args, **kwargs)
>
> > File "/usr/lib/python2.4/site-packages/django/contrib/admin/views/
> > main.py", line 254, in add_stage
> > new_object = manipulator.save(new_data)
>
> > File "/usr/lib/python2.4/site-packages/django/db/models/
> > manipulators.py", line 108, in save
> > new_object.save()
>
> > File "/usr/lib/python2.4/site-packages/django/db/models/base.py",
> > line 243, in save
> > ','.join(placeholders)), db_values)
>
> > IntegrityError: null value in column "id" violates not-null constraint
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