Fixed #28988 -- Fixed queries when a GenericRelation is used with multi-table inheritance.

2 files changed, 11 insertions, 1 deletions

diff --git a/tests/generic_relations_regress/models.py b/tests/generic_relations_regress/models.py
index c9572eb961..5d8716aa0c 100644
--- a/tests/generic_relations_regress/models.py
+++ b/tests/generic_relations_regress/models.py
@@ -26,7 +26,7 @@ class LinkProxy(Link):
 
 class Place(models.Model):
     name = models.CharField(max_length=100)
-    links = GenericRelation(Link)
+    links = GenericRelation(Link, related_query_name='places')
     link_proxy = GenericRelation(LinkProxy)
 
     def __str__(self):
diff --git a/tests/generic_relations_regress/tests.py b/tests/generic_relations_regress/tests.py
index 91158d8198..769a64d0f1 100644
--- a/tests/generic_relations_regress/tests.py
+++ b/tests/generic_relations_regress/tests.py
@@ -263,3 +263,13 @@ class GenericRelationTests(TestCase):
         place = Place.objects.create()
         Link.objects.create(content_object=place)
         self.assertEqual(Place.objects.get(link_proxy__object_id=place.id), place)
+
+    def test_generic_reverse_relation_with_mti(self):
+        """
+        Filtering with a reverse generic relation, where the GenericRelation
+        comes from multi-table inheritance.
+        """
+        place = Place.objects.create(name='Test Place')
+        link = Link.objects.create(content_object=place)
+        result = Link.objects.filter(places=place)
+        self.assertCountEqual(result, [link])