@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Guest stay totals'
define view entity {{P}}I_GUEST_STAY
  as select from {{p}}guest as g
    inner join   {{p}}stay  as s on s.guest_id = g.guest_id
{
  key g.guest_id                                            as guest_id,
      g.guest_name                                          as guest_name,
      count( * )                                            as stay_count,
      sum( cast( s.nights as abap.int8 ) )                  as night_count,
      sum( cast( s.nights as abap.dec( 10, 0 ) ) * s.rate ) as total_charge
}
group by
  g.guest_id,
  g.guest_name
having
  count( * ) > 1