public class TajoParquetReader extends parquet.hadoop.ParquetReader<Tuple>
ParquetReader
to read Tajo records from a
Parquet file. Users should use ParquetScanner
and not this class
directly.Constructor and Description |
---|
TajoParquetReader(org.apache.hadoop.fs.Path file,
Schema readSchema)
Creates a new TajoParquetReader.
|
TajoParquetReader(org.apache.hadoop.fs.Path file,
Schema readSchema,
Schema requestedSchema)
Creates a new TajoParquetReader.
|
TajoParquetReader(org.apache.hadoop.fs.Path file,
Schema readSchema,
Schema requestedSchema,
parquet.filter.UnboundRecordFilter recordFilter)
Creates a new TajoParquetReader.
|
TajoParquetReader(org.apache.hadoop.fs.Path file,
Schema readSchema,
parquet.filter.UnboundRecordFilter recordFilter)
Creates a new TajoParquetReader.
|
public TajoParquetReader(org.apache.hadoop.fs.Path file, Schema readSchema) throws IOException
file
- The file to read from.readSchema
- Tajo schema of the table.IOException
public TajoParquetReader(org.apache.hadoop.fs.Path file, Schema readSchema, Schema requestedSchema) throws IOException
file
- The file to read from.readSchema
- Tajo schema of the table.requestedSchema
- Tajo schema of the projection.IOException
public TajoParquetReader(org.apache.hadoop.fs.Path file, Schema readSchema, parquet.filter.UnboundRecordFilter recordFilter) throws IOException
file
- The file to read from.readSchema
- Tajo schema of the table.recordFilter
- Record filter.IOException
public TajoParquetReader(org.apache.hadoop.fs.Path file, Schema readSchema, Schema requestedSchema, parquet.filter.UnboundRecordFilter recordFilter) throws IOException
file
- The file to read from.readSchema
- Tajo schema of the table.requestedSchema
- Tajo schema of the projection.recordFilter
- Record filter.IOException
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