{
  "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": "c7e35dee5f56da8da3c083e191f396b95917b15768ebe0250ce7840391036616"
}