Package io.trino.plugin.hive

Class SortingFileWriter

java.lang.Object

io.trino.plugin.hive.SortingFileWriter

All Implemented Interfaces:

FileWriter

public class SortingFileWriter
extends Object
implements FileWriter

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	SortingFileWriter.TempFileSinkFactory

Constructor Summary

Constructors

Constructor	Description
SortingFileWriter(TrinoFileSystem fileSystem, Location tempFilePrefix, FileWriter outputWriter, io.airlift.units.DataSize maxMemory, int maxOpenTempFiles, List<Type> types, List<Integer> sortFields, List<SortOrder> sortOrders, PageSorter pageSorter, TypeOperators typeOperators, SortingFileWriter.TempFileSinkFactory tempFileSinkFactory)

Method Summary

Modifier and Type	Method	Description
void	appendRows(Page page)
Closeable	commit()	Commits written data.
long	getMemoryUsage()
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 Details

SortingFileWriter

public SortingFileWriter(TrinoFileSystem fileSystem,
 Location tempFilePrefix,
 FileWriter outputWriter,
 io.airlift.units.DataSize maxMemory,
 int maxOpenTempFiles,
 List<Type> types,
 List<Integer> sortFields,
 List<SortOrder> sortOrders,
 PageSorter pageSorter,
 TypeOperators typeOperators,
 SortingFileWriter.TempFileSinkFactory tempFileSinkFactory)

Method Details

getWrittenBytes

public long getWrittenBytes()

Specified by:

getWrittenBytes in interface FileWriter

getMemoryUsage

public long getMemoryUsage()

Specified by:

getMemoryUsage in interface FileWriter

appendRows

public void appendRows(Page page)

Specified by:

appendRows in interface FileWriter

commit

public Closeable commit()

Description copied from interface: FileWriter

Commits written data. Returns rollback Closeable which can be used to cleanup on failure.

Specified by:

commit in interface FileWriter

rollback

public void rollback()

Specified by:

rollback in interface FileWriter

getValidationCpuNanos

public long getValidationCpuNanos()

Specified by:

getValidationCpuNanos in interface FileWriter

toString

public String toString()

Overrides:

toString in class Object

getVerificationTask

public Optional<Runnable> getVerificationTask()

Specified by:

getVerificationTask in interface FileWriter