Ticket #10205: subqueries.py.diff

django/db/models/sql/subqueries.py

@@ -117 +117 @@
         tables, but their rowcounts are not returned).
         """
         cursor = super(UpdateQuery, self).execute_sql(result_type)
-        rows = cursor.rowcount
+        rows = getattr(cursor, 'rowcount', 0)
         del cursor
         for query in self.get_related_updates():
             query.execute_sql(result_type)