5_session_track_facts.view.lkml

# Facts about a particular Session.

view: session_trk_facts {
  derived_table: {
    sql: SELECT s.session_id
        , MAX(map.received_at) AS ended_at
        , count(distinct map.event_id) AS num_pvs
        , count(case when map.event = 'app_loaded' then event_id else null end) as cnt_app_loaded
        , count(case when map.event = 'login' then event_id else null end) as cnt_login
        , count(case when map.event = 'subscribed_to_blog' then event_id else null end) as cnt_subscribed_to_blog
        , count(case when map.event = 'signup' then event_id else null end) as cnt_signup
      FROM ${sessions_trk.SQL_TABLE_NAME} AS s
      LEFT JOIN ${track_facts.SQL_TABLE_NAME} as map on map.session_id = s.session_id
      GROUP BY 1
       ;;
  }

  dimension: session_id {
    hidden: yes
    primary_key: yes
    sql: ${TABLE}.session_id ;;
  }

  dimension_group: ended_at {
    type: time
    timeframes: [time, date, week, month]
    sql: ${TABLE}.ended_at ;;
  }

  dimension: number_events {
    type: number
    sql: ${TABLE}.num_pvs ;;
  }

  dimension: is_bounced_session {
    type: yesno
    sql: ${number_events} = 1 ;;
  }

  dimension: app_loaded {
    type: yesno
    sql: ${TABLE}.cnt_app_loaded > 0 ;;
  }

  dimension: login {
    type: yesno
    sql: ${TABLE}.cnt_login > 0 ;;
  }

  dimension: subscribed_to_blog {
    type: yesno
    sql: ${TABLE}.cnt_subscribed_to_blog > 0 ;;
  }

  dimension: signup {
    type: yesno
    sql: ${TABLE}.cnt_signup > 0 ;;
  }

  dimension: num_pvs {
    type: number
    sql: ${TABLE}.num_pvs ;;
  }

  measure: count_app_loaded {
    type: count

    filters: {
      field: app_loaded
      value: "yes"
    }
  }

  measure: count_login {
    type: count

    filters: {
      field: login
      value: "yes"
    }
  }

  measure: count_subscribed_to_blog {
    type: count

    filters: {
      field: subscribed_to_blog
      value: "yes"
    }
  }

  measure: count_signup {
    type: count

    filters: {
      field: signup
      value: "yes"
    }
  }

  set: detail {
    fields: [ended_at_date, num_pvs]
  }
}