@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Machine readings per day'
define view entity {{P}}I_MACHINE_DAY
  as select from {{p}}sensor as sen
    inner join   {{p}}mach   as mac on mac.machine_id = sen.machine_id
{
  key sen.machine_id                                            as machine_id,
  key sen.reading_date                                          as reading_date,
      mac.machine_name                                          as machine_name,
      mac.plant                                                 as plant,
      count( * )                                                as reading_count,
      avg( sen.reading_value as abap.dec(15,2) )                as avg_value,
      max( sen.reading_value )                                  as max_value,
      sum( case when sen.reading_value > 80.00 then 1 else 0 end ) as alert_count
}
where sen.sensor = 'TEMP'
group by sen.machine_id, sen.reading_date, mac.machine_name, mac.plant