com.facebook.presto.hive

Class SortingFileWriter

java.lang.Object

com.facebook.presto.hive.SortingFileWriter

All Implemented Interfaces:

HiveFileWriter

public class SortingFileWriter
extends Object
implements HiveFileWriter

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SortingFileWriter.TempFileSinkFactory

Constructor Summary

Constructors

Constructor and Description

SortingFileWriter(org.apache.hadoop.fs.FileSystem fileSystem, org.apache.hadoop.fs.Path tempFilePrefix, HiveFileWriter outputWriter, io.airlift.units.DataSize maxMemory, int maxOpenTempFiles, List<com.facebook.presto.common.type.Type> types, List<Integer> sortFields, List<com.facebook.presto.common.block.SortOrder> sortOrders, com.facebook.presto.spi.PageSorter pageSorter, SortingFileWriter.TempFileSinkFactory tempFileSinkFactory, boolean sortedWriteToTempPathEnabled)

Method Summary

Modifier and Type	Method and Description
void	appendRows(com.facebook.presto.common.Page page)
Optional<com.facebook.presto.common.Page>	commit()
long	getFileSizeInBytes()
long	getSystemMemoryUsage()
long	getValidationCpuNanos()
Optional<Runnable>	getVerificationTask()
long	getWrittenBytes()
void	rollback()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SortingFileWriter

public SortingFileWriter(org.apache.hadoop.fs.FileSystem fileSystem,
                         org.apache.hadoop.fs.Path tempFilePrefix,
                         HiveFileWriter outputWriter,
                         io.airlift.units.DataSize maxMemory,
                         int maxOpenTempFiles,
                         List<com.facebook.presto.common.type.Type> types,
                         List<Integer> sortFields,
                         List<com.facebook.presto.common.block.SortOrder> sortOrders,
                         com.facebook.presto.spi.PageSorter pageSorter,
                         SortingFileWriter.TempFileSinkFactory tempFileSinkFactory,
                         boolean sortedWriteToTempPathEnabled)

Method Detail

getWrittenBytes

public long getWrittenBytes()

Specified by:

getWrittenBytes in interface HiveFileWriter

getSystemMemoryUsage

public long getSystemMemoryUsage()

Specified by:

getSystemMemoryUsage in interface HiveFileWriter

appendRows

public void appendRows(com.facebook.presto.common.Page page)

Specified by:

appendRows in interface HiveFileWriter

commit

public Optional<com.facebook.presto.common.Page> commit()

Specified by:

commit in interface HiveFileWriter

rollback

public void rollback()

Specified by:

rollback in interface HiveFileWriter

getValidationCpuNanos

public long getValidationCpuNanos()

Specified by:

getValidationCpuNanos in interface HiveFileWriter

toString

public String toString()

Overrides:

toString in class Object

getVerificationTask

public Optional<Runnable> getVerificationTask()

Specified by:

getVerificationTask in interface HiveFileWriter

getFileSizeInBytes

public long getFileSizeInBytes()

Specified by:

getFileSizeInBytes in interface HiveFileWriter