Package io.trino.plugin.hive.parquet

Class HdfsParquetDataSource

java.lang.Object

io.trino.plugin.hive.parquet.HdfsParquetDataSource

All Implemented Interfaces:

ParquetDataSource, Closeable, AutoCloseable

public class HdfsParquetDataSource
extends Object
implements ParquetDataSource

Constructor Summary

Constructors

Constructor	Description
HdfsParquetDataSource(ParquetDataSourceId id, long estimatedSize, org.apache.hadoop.fs.FSDataInputStream inputStream, FileFormatDataSourceStats stats, ParquetReaderOptions options)

Method Summary

Modifier and Type	Method	Description
void	close()
long	getEstimatedSize()
ParquetDataSourceId	getId()
long	getReadBytes()
long	getReadTimeNanos()
<K> Map<K,ChunkReader>	planRead(Map<K,DiskRange> diskRanges)
io.airlift.slice.Slice	readFully(long position, int length)
io.airlift.slice.Slice	readTail(int length)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HdfsParquetDataSource

public HdfsParquetDataSource(ParquetDataSourceId id,
                             long estimatedSize,
                             org.apache.hadoop.fs.FSDataInputStream inputStream,
                             FileFormatDataSourceStats stats,
                             ParquetReaderOptions options)

Method Detail

getId

public ParquetDataSourceId getId()

Specified by:

getId in interface ParquetDataSource

getReadBytes

public final long getReadBytes()

Specified by:

getReadBytes in interface ParquetDataSource

getReadTimeNanos

public long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface ParquetDataSource

getEstimatedSize

public final long getEstimatedSize()

Specified by:

getEstimatedSize in interface ParquetDataSource

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface ParquetDataSource

Throws:

IOException

readTail

public io.airlift.slice.Slice readTail(int length)

Specified by:

readTail in interface ParquetDataSource

readFully

public final io.airlift.slice.Slice readFully(long position,
                                              int length)

Specified by:

readFully in interface ParquetDataSource

planRead

public final <K> Map<K,ChunkReader> planRead(Map<K,DiskRange> diskRanges)

Specified by:

planRead in interface ParquetDataSource