@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Album statistics'
define view entity {{P}}I_ALBUM_STATS
  as select from {{p}}album as alb
    inner join   {{p}}track as trk on trk.album_id = alb.album_id
{
  key alb.album_id       as album_id,
      alb.title          as title,
      count( * )         as track_count,
      max( trk.play_sec ) as total_seconds,
      max( trk.play_sec ) as longest_seconds
}
group by
  alb.album_id,
  alb.title