Hello,
I am writing my first app in Django. I already have existing
tables/sequences/triggers in Oracle. so I used "inspectdb" to generate the
models for django. Here's one model for example:

class Instructors(models.Model):
>     instructorid = models.IntegerField(db_column='INSTRUCTORID',
> primary_key=True) # Field name made lowercase.
>     instructor_name = models.CharField(max_length=50,
> db_column='INSTRUCTOR_NAME', blank=True) # Field name made lowercase.
>     instructor_email = models.CharField(max_length=255,
> db_column='INSTRUCTOR_EMAIL', blank=True) # Field name made lowercase.
>     comments = models.CharField(max_length=255, db_column='COMMENTS',
> blank=True) # Field name made lowercase.
>     fingerprint = models.CharField(max_length=8, db_column='FINGERPRINT',
> blank=True) # Field name made lowercase.
>     timestamp = models.DateField(null=True, db_column='TIMESTAMP',
> blank=True) # Field name made lowercase.
>
>     def __unicode__(self):
>         return self.instructor_name
>     class Meta:
>         db_table = u'INSTRUCTORS'
>

After "syncdb", here's what I do in the shell:

 >>>from mysite.assignments.models import Instructors
 >>>p = Instructors(instructor_ name="John",instructor_email = "
jo...@email.com <wanpeng.y...@gmail.com>")
 >>>p.save()

I already have a trigger in oracle to insert the instructorid, the
fingerprint and timestamp. However, when I type:
>>>p.instructorid

It returns null while it should return a new instructorid. If I change the
model type of instructorid to AutoField, I get the 'Cannot find sequence'
error when using p.save() , but I do have the sequence and trigger.

I tried to create a new model in django and let django create the table for
me in oracle. I don't have the same problem as with the existing tables.

So how can I let django know 'I already have sequences and triggers, use
them!' ?

Thank you.

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