protected ParquetRecordWriterWrapper getParquerRecordWriterWrapper(
      ParquetOutputFormat<ParquetHiveRecord> realOutputFormat,
      JobConf jobConf,
      String finalOutPath,
      Progressable progress,
      Properties tableProperties
      ) throws IOException {
    return new ParquetRecordWriterWrapper(realOutputFormat, jobConf, finalOutPath.toString(),
            progress,tableProperties);
  }
Create the parquet schema from the hive schema, and return the RecordWriterWrapper which
contains the real output format
ql/src/java/org/apache/hadoop/hive/ql/io/parquet/MapredParquetOutputFormat.java