The followings are the available columns in table:
Inheritance: extends BaseActiveRecordVersioned
 public function setOperationStatus($event_id, $status_name)
 {
     if (!($operation = Element_OphTrOperationbooking_Operation::model()->find('event_id=?', array($event_id)))) {
         throw new Exception("Operation event not found: {$event_id}");
     }
     if ($status_name == 'Scheduled or Rescheduled') {
         if (OphTrOperationbooking_Operation_Booking::model()->find('element_id=? and booking_cancellation_date is not null', array($operation->id))) {
             $status_name = 'Rescheduled';
         } else {
             $status_name = 'Scheduled';
         }
     }
     if (!($status = OphTrOperationbooking_Operation_Status::model()->find('name=?', array($status_name)))) {
         throw new Exception("Unknown operation status: {$status_name}");
     }
     if ($operation->status_id != $status->id) {
         $operation->status_id = $status->id;
         if (!$operation->save()) {
             throw new Exception('Unable to save operation: ' . print_r($operation->getErrors(), true));
         }
     }
 }
 /**
  * Set the status based on the name passed in. If $save is false, we don't save and it is the responsibility
  * of the caller to ensure the instance is saved.
  *
  * @param $name
  * @param bool $save
  *
  * @throws Exception
  */
 public function setStatus($name, $save = true)
 {
     if (!($status = OphTrOperationbooking_Operation_Status::model()->find('name=?', array($name)))) {
         throw new Exception('Invalid status: ' . $name);
     }
     $this->status_id = $status->id;
     if ($save && !$this->save()) {
         throw new Exception('Unable to change operation status: ' . print_r($this->getErrors(), true));
     }
 }