Refs #17144 -- Removed support for grouping by primary key.

No core backend require the feature anymore as it was only added to
support a MySQL'ism that has been deprecated since then.

1 files changed, 0 insertions, 15 deletions

diff --git a/tests/annotations/tests.py b/tests/annotations/tests.py
index 472669288c..52c15bba87 100644
--- a/tests/annotations/tests.py
+++ b/tests/annotations/tests.py
@@ -550,21 +550,6 @@ class NonAggregateAnnotationTestCase(TestCase):
         for publisher in publishers.filter(pk=self.p1.pk):
             self.assertEqual(publisher["book__rating"], publisher["total"])
 
-    @skipUnlessDBFeature("allows_group_by_pk")
-    def test_rawsql_group_by_collapse(self):
-        raw = RawSQL("SELECT MIN(id) FROM annotations_book", [])
-        qs = (
-            Author.objects.values("id")
-            .annotate(
-                min_book_id=raw,
-                count_friends=Count("friends"),
-            )
-            .order_by()
-        )
-        _, _, group_by = qs.query.get_compiler(using="default").pre_sql_setup()
-        self.assertEqual(len(group_by), 1)
-        self.assertNotEqual(raw, group_by[0])
-
     def test_defer_annotation(self):
         """
         Deferred attributes can be referenced by an annotation,