diff --git a/tests/queries/tests.py b/tests/queries/tests.py index 31d4b4e1a4..806648aa54 100644 --- a/tests/queries/tests.py +++ b/tests/queries/tests.py @@ -2808,3 +2808,19 @@ class RelabelCloneTest(TestCase): # not change results for the parents query. self.assertEqual(list(children), [my2]) self.assertEqual(list(parents), [my1]) + +class Ticket20101Tests(TestCase): + def test_ticket_20101(self): + """ + Tests QuerySet ORed combining in exclude subquery case. + """ + t = Tag.objects.create(name='foo') + a1 = Annotation.objects.create(tag=t, name='a1') + a2 = Annotation.objects.create(tag=t, name='a2') + a3 = Annotation.objects.create(tag=t, name='a3') + n = Note.objects.create(note='foo', misc='bar') + qs1 = Note.objects.exclude(annotation__in=[a1, a2]) + qs2 = Note.objects.filter(annotation__in=[a3]) + self.assertTrue(n in qs1) + self.assertFalse(n in qs2) + self.assertTrue(n in (qs1 | qs2))