{ "db_name": "PostgreSQL", "query": "SELECT class.id, class.name, class.parent, parent.name AS \"parent_name?\"\n FROM item_classes AS \"class\"\n LEFT JOIN item_classes AS \"parent\"\n ON class.parent = parent.id\n ORDER BY class.created_at\n ", "describe": { "columns": [ { "ordinal": 0, "name": "id", "type_info": "Uuid" }, { "ordinal": 1, "name": "name", "type_info": "Varchar" }, { "ordinal": 2, "name": "parent", "type_info": "Uuid" }, { "ordinal": 3, "name": "parent_name?", "type_info": "Varchar" } ], "parameters": { "Left": [] }, "nullable": [ false, false, true, false ] }, "hash": "8d9766469e77b291eceffc2ba17ff78c11283a29411233597bd27a52a934a595" }