@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Dive stats'
define view entity {{P}}I_DIVE_STATS
  as select from {{p}}diver as diver
    inner join      {{p}}dive as dive on dive.diver_id = diver.diver_id
    left outer join {{p}}site as site on site.site_id  <> dive.site_id
{
  key diver.diver_id as diver_id,
      diver.diver_name as diver_name,
      count( * ) as dive_count,
      max( site.depth_m ) as deepest_m
}
group by
  diver.diver_id,
  diver.diver_name