id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
13794	Django does not respect to_field's model on an inline model admin	sebastien@…	nobody	"The problem occurs in the function __unicode__ of ModelB

When editing a ModelA instance in admin site, all ModelB instances have a modela_id set to the pk of the ModelA instance, instead of the value of the to_field's field. And, when accessing to the field modela of a ModelB instance, a DoesNotExist exception is raised.

This problem does not occus in the shell :
{{{
In [3]: ModelA.objects.all()[0].modelb_set.all()[0].modela_id
Out[3]: u'TRUC'

In [6]: ModelB.objects.all()[0].modela_id
Out[6]: u'TRUC'
}}}


See below to reproduce

{{{
models.py

class ModelA(models.Model):
    code = models.CharField(max_length=20, unique=True)

class ModelB(models.Model):
    modela = models.ForeignKey(ModelA, to_field=""code"")
    position = models.IntegerField()

    def __unicode__(self):
        return u""%s"" % self.modela

admin.py

class ModelBInlineAdmin(admin.TabularInline):
    model = ModelB

class ModelAAdmin(admin.ModelAdmin):
    model = ModelA
    inlines = [ModelBInlineAdmin]

admin.site.register(ModelA, ModelAAdmin)

}}}
"		new	django.contrib.admin	1.2			admin inline to_field		Unreviewed	0	0	0	0