{
  "columns": [
    "ticketId",
    "wholeHours",
    "preciseHours"
  ],
  "slice": [
    {
      "field": "ticketId",
      "op": "=",
      "value": 1
    }
  ],
  "calculatedFields": [
    {
      "name": "wholeHours",
      "expression": "TIMESTAMPDIFF('HOUR', '2024-02-01 12:00:00', '2024-02-02 12:00:01')"
    },
    {
      "name": "preciseHours",
      "expression": "TIMESTAMPDIFF('SECOND', '2024-02-01 12:00:00', '2024-02-02 12:00:01') / 3600.0"
    }
  ],
  "limit": 1
}