[3.0.x] Refs #31115 -- Added test for nested subquery that references related fields.

Thanks Dmitriy Gunchenko for the report and Simon Charette for the
analysis and tests.

Regression in 5a4d7285bd10bd40d9f7e574a7c421eb21094858.

Fixed in 5a4d7285bd10bd40d9f7e574a7c421eb21094858.
Backport of 45bcc6feac68165eb3642d3c308c74b4828e679e from master

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/expressions/tests.py b/tests/expressions/tests.py
index 39dc2680fc..126cd586bb 100644
--- a/tests/expressions/tests.py
+++ b/tests/expressions/tests.py
@@ -537,6 +537,21 @@ class BasicExpressionsTests(TestCase):
         )
         self.assertCountEqual(contrived.values_list(), outer.values_list())
 
+    def test_nested_subquery_join_outer_ref(self):
+        inner = Employee.objects.filter(pk=OuterRef('ceo__pk')).values('pk')
+        qs = Employee.objects.annotate(
+            ceo_company=Subquery(
+                Company.objects.filter(
+                    ceo__in=inner,
+                    ceo__pk=OuterRef('pk'),
+                ).values('pk'),
+            ),
+        )
+        self.assertSequenceEqual(
+            qs.values_list('ceo_company', flat=True),
+            [self.example_inc.pk, self.foobar_ltd.pk, self.gmbh.pk],
+        )
+
     def test_nested_subquery_outer_ref_2(self):
         first = Time.objects.create(time='09:00')
         second = Time.objects.create(time='17:00')