---
source: cubesql/src/compile/mod.rs
expression: "execute_query(r#\"\n                SELECT id, result\n                FROM (\n                    SELECT 1 id, isnull('left', 'right') result\n                    UNION ALL\n                    SELECT 2 id, isnull(NULL, 'right') result\n                    UNION ALL\n                    SELECT 3 id, isnull(NULL, NULL) result\n                ) t\n                ORDER BY id\n                ;\"#.to_string(),\n            DatabaseProtocol::PostgreSQL).await?"
---
+----+--------+
| id | result |
+----+--------+
| 1  | left   |
| 2  | right  |
| 3  | NULL   |
+----+--------+
