code: public void export_device(Database database, DbDevExportInfo devExportInfo)
              throws DevFailed {
          if (!database.isAccess_checked()) checkAccess(database);
  
          //  Check for MySql 5.6 and higher compatibility
          if (devExportInfo.host.isEmpty())    devExportInfo.host = "null";
          if (devExportInfo.ior.isEmpty())     devExportInfo.ior = "null";
          if (devExportInfo.version.isEmpty()) devExportInfo.version = "null";
  
          String[] array = devExportInfo.toStringArray();
          DeviceData argIn = new DeviceData();
          argIn.insert(array);
          command_inout(database, "DbExportDevice", argIn);
      }
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