{
  "columns": [
    "ticketId",
    "dayDifference",
    "wholeHours"
  ],
  "slice": [
    {
      "field": "ticketId",
      "op": "in",
      "value": [
        1,
        2,
        3
      ]
    }
  ],
  "calculatedFields": [
    {
      "name": "dayDifference",
      "expression": "DATEDIFF(finishedAt, startedAt)"
    },
    {
      "name": "wholeHours",
      "expression": "TIMESTAMPDIFF('HOUR', startedAt, finishedAt)"
    }
  ],
  "orderBy": [
    "ticketId"
  ],
  "limit": 10
}