public function __construct($errCode, $message, $paramName)
 {
     parent::__construct($errCode, $message);
     $this->paramName = $paramName;
 }
 public function __construct($errCode, $message, $DBMSMessage)
 {
     parent::__construct($errCode, $message);
     $this->component = $component;
     $this->DBMSMessage = $DBMSMessage;
 }