Refs -- Added tests for selected columns of sliced distinct querysets.
@@ -2226,6 +2226,14 @@ class ExistsSql(TestCase):
self.assertNotIn(id, qstr)
self.assertNotIn(name, qstr)
+ def test_sliced_distinct_exists(self):
+ with CaptureQueriesContext(connection) as captured_queries:
+ self.assertIs(Article.objects.distinct()[1:3].exists(), False)
+ self.assertEqual(len(captured_queries), 1)
+ captured_sql = captured_queries[0]["sql"]
+ self.assertIn(connection.ops.quote_name("id"), captured_sql)
+ self.assertIn(connection.ops.quote_name("name"), captured_sql)
+
def test_ticket_18414(self):
Article.objects.create(name="one", created=datetime.datetime.now())
Article.objects.create(name="one", created=datetime.datetime.now())
