@Override
    public boolean nextKeyValue() throws IOException, InterruptedException {
      if (reader.hasNext()) {
        reader.next(value);
        progress = reader.getProgress();
        return true;
      } else {
        return false;
      }
    }
An InputFormat for ORC files. Keys are meaningless,
value is the OrcStruct object
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcNewInputFormat.java