break;
     case "update":
         $am->access(PERMS_OPERATOR);
         $result = $jornadas->update($jornadaid);
         break;
     case "select":
         $result = $jornadas->selectByPrueba();
         break;
     case "getbyid":
         $result = $jornadas->selectByID($jornadaid);
         break;
     case "enumerate":
         $result = $jornadas->searchByPrueba($allowClosed, $hideUnassigned);
         break;
     case "rounds":
         $result = $jornadas->roundsByJornada($jornadaid);
         break;
     case "enumerateMangasByJornada":
         $result = Jornadas::enumerateMangasByJornada($jornadaid);
         break;
     case "enumerateRondasByJornada":
         $result = Jornadas::enumerateRondasByJornada($jornadaid);
         break;
     case "access":
         $result = $jornadas->checkAccess($am, $jornadaid, $perms);
         break;
     default:
         throw new Exception("jornadaFunctions:: invalid operation: {$operation} provided");
 }
 if ($result === null) {
     throw new Exception($jornadas->errormsg);