@Override
    public boolean apply(Writer writer, CacheWriter cacheWriter) throws IOException {
      writer.writeIntermediateFooter();
      return false;
    }
The class that writes rows from a text reader to an ORC writer using VectorDeserializeRow.
llap-server/src/java/org/apache/hadoop/hive/llap/io/encoded/VectorDeserializeOrcWriter.java