@Override
  public void checkFileAccess(FileSystem fs, FileStatus stat, FsAction action)
      throws IOException, AccessControlException, Exception {
    DefaultFileAccess.checkFileAccess(fs, stat, action);
  }
Get the record reader for the next chunk in this CombineFileSplit.
shims/common/src/main/java/org/apache/hadoop/hive/shims/HadoopShimsSecure.java