@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Stargazing nights of the observatory (legacy)'
define view entity {{P}}I_STAR_NIGHT
  as select from {{p}}night as night
    inner join {{p}}dome as dome_a on dome_a.dome_id = night.dome_id
    inner join {{p}}dome as dome_b on dome_b.dome_id = night.dome_id
    inner join {{p}}scope as scope_a on scope_a.scope_id = night.scope_id
    inner join {{p}}scope as scope_b on scope_b.scope_id = night.scope_id
{
  key night.night_id                                as night_id,
      night.dome_id                                 as dome_id,
      dome_a.dome_name                              as dome_name,
      dome_b.city                                   as dome_city,
      night.scope_id                                as scope_id,
      scope_a.scope_name                            as scope_name,
      scope_b.aperture_mm                           as aperture_mm,
      night.visitors                                as visitors,
      night.night_date                              as night_date,
      dome_b.capacity - night.visitors              as free_seats
}