Refs -- Skipped test_group_by_nested_expression_with_params test on PostgreSQL when server-side binding cursors are used.
Thanks Tim Graham for the review.
@@ -84,6 +84,26 @@ class DatabaseFeatures(BaseDatabaseFeatures):
},
}
+ @cached_property
+ def django_test_expected_failures(self):
+ expected_failures = set()
+ if self.uses_server_side_binding:
+ expected_failures.update(
+ {
+ # Parameters passed to expressions in SELECT and GROUP BY
+ # clauses are not recognized as the same values when using
+ # server-side binding cursors (#34255).
+ "aggregation.tests.AggregateTestCase."
+ "test_group_by_nested_expression_with_params",
+ }
+ )
+ return expected_failures
+
+ @cached_property
+ def uses_server_side_binding(self):
+ options = self.connection.settings_dict["OPTIONS"]
+ return is_psycopg3 and options.get("server_side_binding") is True
+
@cached_property
def prohibits_null_characters_in_text_exception(self):
if is_psycopg3:
