On Thursday, 21 February 2013 10:20:01 UTC, Vittorio wrote: > I'm working on a legacy mysql db (under Mac OS X with Django 1.4.3) whose > structure I cannot modify because other applications are already happily > referring to it (FileMaker pro, PHP,etc.). > After issuing the 'python manage.py inspectdb' I created the first > tentative models.py that I'm now refining specifically to take into > account foreign keys. > Now, manage.py both syncdb and runserver don't signal anything abnormal > but when I browse the table articoli as admin the following two tables and > classes are arising a problem because > > (1054, "Unknown column 'articoli.categoria_id_id' in 'field list'") > <SNIP models.py> > ................ > ............... > class Categorie(models.Model): > idCategoria = models.IntegerField(primary_key=True) > descrizione = models.CharField(max_length=150, > db_column='Descrizione') # Field name made lowercase. > def __unicode__(self): > return self.descrizione > class Meta: > db_table = u'Categorie' > verbose_name_plural='categorie' > ordering=['descrizione'] > > > class Articoli(models.Model): > id = models.IntegerField(primary_key=True) > categoria_id = models.ForeignKey(Categorie) > codice = models.CharField(max_length=90, unique=True, > db_column='Codice') > ............................... > ............................... > </SNIP> > > How can I specify in categoria_id of class Articoli that the key field to > refer to is idCategoria of Categorie? > > Ciao > Vittorio > > > In exactly the same way you've done elsewhere, by using `db_column`. I would definitely recommend calling the model field `categoria` without the `_id` though, as it is not an id, it's a reference to the entire related model instance. -- DR.
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