SchemaIntersection

tuple

scalding

twitter

sink

ParquetValueScheme ParquetTupleScheme

sinkConfInit

ParquetTBaseScheme ParquetTupleScheme

source

ParquetValueScheme ParquetTupleScheme

sourceConfInit

ParquetValueScheme Parquet346TBaseScheme ParquetTBaseScheme ParquetTupleScheme

start

ParquetTupleConverter