view | count over period

[adityathebe]

 columns:
    - name: change_id
      type: string
      hidden: true
      primaryKey: true
    - name: last_seen
      width: "2"
      type: datetime
      display:
        subtext: 
          template: >
            {{if row.count > 1}}
              x{row.count} over age(row.first_observed, "short")
            {{end}}
    - name: count
      type: number
      hidden: true
    - name: first_observed
      type: datetime
      hidden: true