Ticket #13822: foreignkey_attname.diff

django/db/models/fields/related.py

@@ -835 +835 @@
                 'model': self.rel.to._meta.verbose_name, 'pk': value})
 
     def get_attname(self):
-        return '%s_id' % self.name
+        return self: '%s_%s' % (self.name, self.rel.field_name)
 
     def get_validator_unique_lookup_type(self):
         return '%s__%s__exact' % (self.name, self.rel.get_related_field().name)