{
  "IsDistinct": false,
  "Projections": [
    {
      "Expr": {
        "ColumnName": "dt",
        "OpType": "Column"
      },
      "OpType": "Target"
    },
    {
      "Expr": {
        "ColumnName": "dt2",
        "OpType": "Column"
      },
      "OpType": "Target"
    },
    {
      "Expr": {
        "WindowSpec": {
          "windowName": "window1"
        },
        "IsDistinct": false,
        "Signature": "row_number",
        "FuncParams": [],
        "OpType": "WindowFunction"
      },
      "OpType": "Target"
    },
    {
      "Expr": {
        "WindowSpec": {
          "windowName": "window1"
        },
        "IsDistinct": false,
        "Signature": "rank",
        "FuncParams": [],
        "OpType": "WindowFunction"
      },
      "OpType": "Target"
    }
  ],
  "Expr": {
    "Expr": {
      "Relations": [
        {
          "TableName": "sum_example",
          "OpType": "Relation"
        }
      ],
      "OpType": "RelationList"
    },
    "OpType": "Window"
  },
  "OpType": "Projection"
}