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
7138	list_filter ignores foreign keys to inherited models	tsouanas	nobody	"Here is the troublesome code:

{{{
class Restaurant(models.Model):
    name = models.CharField(max_length=32)
    address = models.CharField(max_length=200, null=True, blank=True)

    def __unicode__(self):
        return unicode(self.name)

    class Admin:
        pass


class Italian(Restaurant):
    traditional = models.BooleanField(null=True, blank=True)

    class Admin:
        pass


class Chinese(Restaurant):
    only_chopsticks = models.BooleanField(null=True, blank=True)

    class Admin:
        pass


class Mobster(models.Model):
    name = models.CharField(max_length=48)
    fav_italian = models.ForeignKey(Italian, related_name=""mobster_italian"", null=True, blank=True)
    fav_restaurant = models.ForeignKey(Restaurant, related_name=""mobster_restaurant"", null=True, blank=True)

    class Admin:
        list_display = ('name', 'fav_italian', 'fav_restaurant')
        list_filter = ('name', 'fav_italian', 'fav_restaurant')

}}}

On the filters, only 'name' and 'fav_restaurant' are available.  To actually filter with respect to fav_italian, I have to alter the URL."		closed	contrib.admin	dev		duplicate	list_filter admin inheritance		Unreviewed	0	0	0	0	0	0