Measure types unique

Measure Types - Unique

• It measures the count of unique occurrences of a field
• It is an increment only measure like heat and tr_type is not used

Sample definition

{
  "name": "weekly_tickets_and_travels",
  "measures": [
    "TicketsSold",
    "UniqueTravels"
  ],
  "data_db": 4,
  "query_dimensions": ["Week"],
  "slice_dimensions": ["Week"],
  "mapping": {
    "TicketsSold": {
      "type": "heat",
      "resource": "ticket_events",
      "conditions": [
        {
          "field": "event",
          "equals": "sold"
        }
      ]
    },
    "UniqueTravels": {
      "type": "unique",
      "field": "TravelsID",
      "resource": "ticket_events",
      "conditions": [
        {
          "field": "event",
          "equals": "sold"
        }
      ]
    },
    "Week": {
      "type": "week",
      "resource": "ticket_events",
      "field": "departure"
    }
  }
}

• In the above example, the count of travels that made at least one sale is measured using the unique type