[4.2.x] Fixed #34717 -- Fixed QuerySet.aggregate() crash when referencing window functions.

Regression in 59bea9efd2768102fc9d3aedda469502c218e9b7.

Refs #28477.

Thanks younes-chaoui for the report.

Backport of 68912e4f6f84f21322f92a2c7b6c77f68f91b9c9 from main

1 files changed, 6 insertions, 0 deletions

diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 97c0bb4a08..c9656cc450 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -390,6 +390,7 @@ class Query(BaseExpression):
         # Store annotation mask prior to temporarily adding aggregations for
         # resolving purpose to facilitate their subsequent removal.
         refs_subquery = False
+        refs_window = False
         replacements = {}
         annotation_select_mask = self.annotation_select_mask
         for alias, aggregate_expr in aggregate_exprs.items():
@@ -406,6 +407,10 @@ class Query(BaseExpression):
                 getattr(self.annotations[ref], "subquery", False)
                 for ref in aggregate.get_refs()
             )
+            refs_window |= any(
+                getattr(self.annotations[ref], "contains_over_clause", True)
+                for ref in aggregate.get_refs()
+            )
             aggregate = aggregate.replace_expressions(replacements)
             self.annotations[alias] = aggregate
             replacements[Ref(alias, aggregate)] = aggregate
@@ -438,6 +443,7 @@ class Query(BaseExpression):
             or self.is_sliced
             or has_existing_aggregation
             or refs_subquery
+            or refs_window
             or qualify
             or self.distinct
             or self.combinator