@AccessControl.authorizationCheck: #NOT_REQUIRED
@Metadata.ignorePropagatedAnnotations: true
@EndUserText.label: 'Shipment overview'
define view entity {{P}}I_SHIPMENT
  as select from {{p}}road as road
{
  key road.ship_id as ship_id,
      road.cust    as customer,
      'ROAD'       as ship_mode,
      road.kg      as weight,
      road.cost    as cost
}
where road.kg <= 0
union all
select from {{p}}rail as rail
{
  key rail.ship_id  as ship_id,
      rail.customer as customer,
      'RAIL'        as ship_mode,
      rail.weight   as weight,
      rail.fee      as cost
}
where rail.weight > 0