duck_plan.json

{
  "_tag": "Sort",
  "@_id": null,
  "@_scan_discount_factor": 0.2,
  "@_active": false,
  "@_limit": null,
  "children": [
    {
      "_tag": "GroupBy",
      "@_id": null,
      "@_scan_discount_factor": 0.2,
      "@_active": true,
      "@_mode": null,
      "@_method": "hash",
      "children": [
        {
          "_tag": "Projection",
          "@_id": null,
          "@_scan_discount_factor": 0.2,
          "@_active": false,
          "children": [
            {
              "_tag": "Projection",
              "@_id": null,
              "@_scan_discount_factor": 0.2,
              "@_active": false,
              "children": [
                {
                  "_tag": "TableScan",
                  "@_id": null,
                  "@_scan_discount_factor": 0.2,
                  "@_active": false,
                  "@_table_name": "lineitem",
                  "@_table_size": null,
                  "@_type": null
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}