On Fri, Apr 3, 2009 at 4:25 PM, Andrew G. <agross...@gmail.com> wrote:
>
> The following code in a fresh project/app will cause the database
> creation to fail.
>
> class Position(models.Model):
> description = models.CharField(max_length=20, blank=True,
> null=True)
> parts = models.ManyToManyField('Part', db_table='part_positions')
>
> class PartPosition(models.Model):
> rule_id = models.IntegerField(primary_key=True, editable=False)
> part = models.ForeignKey('Part')
> position = models.ForeignKey('Position')
>
> class Meta:
> db_table = 'part_positions'
>
> class Part(models.Model):
> description = models.CharField(max_length=20, blank=True,
> null=True)
> positions = models.ManyToManyField('Position',
> db_table='part_positions')
>
>
I think you want to be specifying "through" the PartPosition model, not
directly specifying the db_table for that model, on your ManyToMany fields:
http://docs.djangoproject.com/en/dev/topics/db/models/#extra-fields-on-many-to-many-relationships
When you specify "db_table" the database creation code still thinks it needs
to create the model, when you specify "through" another model it knows the
table will be created when that model is processed.
Karen
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