gistfile1.txt

select (CASE WHEN end_time < NOW() - interval '1 hour' THEN 'unresponsive'                                                           
             WHEN noop = true THEN 'noop'                                                                                            
             ELSE status                                                                                                             
          END) as latest_report_status,                                                                                              
                  certname,                                                                                                          
                  end_time from                                                                                                      
  (SELECT end_time,status,reports.certname,noop from certnames inner join reports on certnames.latest_report_id = reports.id inner join report_statuses on report_statuses.id=reports.status_id) foo;