private String getFileName(String path) {
    int last_separator = path.lastIndexOf(Path.SEPARATOR);
    if (last_separator < 0) {
      return path;
    }
    return path.substring(last_separator + 1);
  }
@param aliasToFetchWork
         the aliasToFetchWork to set
ql/src/java/org/apache/hadoop/hive/ql/plan/MapredLocalWork.java