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-rw-r--r--django/db/models/sql/where.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/django/db/models/sql/where.py b/django/db/models/sql/where.py
index ed24b08bd0..0ca95f7018 100644
--- a/django/db/models/sql/where.py
+++ b/django/db/models/sql/where.py
@@ -167,6 +167,16 @@ class WhereNode(tree.Node):
def contains_aggregate(self):
return self._contains_aggregate(self)
+ @classmethod
+ def _contains_over_clause(cls, obj):
+ if isinstance(obj, tree.Node):
+ return any(cls._contains_over_clause(c) for c in obj.children)
+ return obj.contains_over_clause
+
+ @cached_property
+ def contains_over_clause(self):
+ return self._contains_over_clause(self)
+
@property
def is_summary(self):
return any(child.is_summary for child in self.children)