com.facebook.presto.parquet

Interface ParquetDataSource

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

AbstractParquetDataSource, FileParquetDataSource

public interface ParquetDataSource
extends Closeable

Method Summary

Modifier and Type	Method and Description
default void	close()
ParquetDataSourceId	getId()
long	getReadBytes()
long	getReadTimeNanos()
Optional<org.apache.parquet.internal.column.columnindex.ColumnIndex>	readColumnIndex(org.apache.parquet.hadoop.metadata.ColumnChunkMetaData column)
void	readFully(long position, byte[] buffer)
void	readFully(long position, byte[] buffer, int bufferOffset, int bufferLength)
Optional<org.apache.parquet.internal.column.columnindex.OffsetIndex>	readOffsetIndex(org.apache.parquet.hadoop.metadata.ColumnChunkMetaData column)

Method Detail

getId

ParquetDataSourceId getId()

getReadBytes

long getReadBytes()

getReadTimeNanos

long getReadTimeNanos()

readFully

void readFully(long position,
               byte[] buffer)

readFully

void readFully(long position,
               byte[] buffer,
               int bufferOffset,
               int bufferLength)

readColumnIndex

Optional<org.apache.parquet.internal.column.columnindex.ColumnIndex> readColumnIndex(org.apache.parquet.hadoop.metadata.ColumnChunkMetaData column)
                                                                              throws IOException

Throws:

IOException

readOffsetIndex

Optional<org.apache.parquet.internal.column.columnindex.OffsetIndex> readOffsetIndex(org.apache.parquet.hadoop.metadata.ColumnChunkMetaData column)
                                                                              throws IOException

Throws:

IOException

close

default void close()
            throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException