String backpath = realPathResolver.get(Constants.BACKUP_PATH);
File backDirectory = new File(backpath);
if (!backDirectory.exists()) {
backDirectory.mkdir();
}
DateUtils dateUtils = DateUtils.getDateInstance();
String backFilePath = backpath + SLASH+ dateUtils.getNowString() + "."
+ SUFFIX;
File file=new File(backFilePath);
Thread thread =new DateBackupTableThread(file,tableNames);
thread.start();
return "data/backupProgress";