@Override
  public Object convert(Object row, ObjectInspector rowOI) throws Exception {
    return new Object[] { row };
  }
A No-op fetch formatter.
ListSinkOperator uses this when reading from the destination table which has data serialized by
ThriftJDBCBinarySerDe to a SequenceFile.
serde/src/java/org/apache/hadoop/hive/serde2/NoOpFetchFormatter.java