Fixed #34368 -- Made subquery raise NotSupportedError when referencing outer window expression.

Regression in f387d024fc75569d2a4a338bfda76cc2f328f627.

Co-authored-by: Jannis Vajen <jvajen@gmail.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/expressions_window/tests.py b/tests/expressions_window/tests.py
index 027fc9c25c..3a02a36707 100644
--- a/tests/expressions_window/tests.py
+++ b/tests/expressions_window/tests.py
@@ -1587,6 +1587,25 @@ class WindowUnsupportedTests(TestCase):
                     dense_rank=Window(expression=DenseRank())
                 ).get()
 
+    def test_filter_subquery(self):
+        qs = Employee.objects.annotate(
+            department_salary_rank=Window(
+                Rank(), partition_by="department", order_by="-salary"
+            )
+        )
+        msg = (
+            "Referencing outer query window expression is not supported: "
+            "department_salary_rank."
+        )
+        with self.assertRaisesMessage(NotSupportedError, msg):
+            qs.annotate(
+                employee_name=Subquery(
+                    Employee.objects.filter(
+                        age=OuterRef("department_salary_rank")
+                    ).values("name")[:1]
+                )
+            )
+
 
 class NonQueryWindowTests(SimpleTestCase):
     def test_window_repr(self):