Package io.trino.plugin.hive

Class MergeFileWriter

java.lang.Object

io.trino.plugin.hive.MergeFileWriter

All Implemented Interfaces:

FileWriter

public class MergeFileWriter
extends Object
implements FileWriter

Constructor Summary

Constructors

Constructor	Description
MergeFileWriter(AcidTransaction transaction, int statementId, OptionalInt bucketNumber, HiveWriterFactory.RowIdSortingFileWriterMaker sortingFileWriterMaker, String bucketPath, OrcFileWriterFactory orcFileWriterFactory, HiveCompressionCodec compressionCodec, List<HiveColumnHandle> inputColumns, ConnectorSession session, TypeManager typeManager, HiveType hiveRowType)

Method Summary

Modifier and Type	Method	Description
void	appendRows(Page page)
static Page	buildInsertPage(Page insertPage, long writeId, List<HiveColumnHandle> columns, Block bucketValueBlock, int insertRowCount)
Closeable	commit()	Commits written data.
long	getMemoryUsage()
PartitionUpdateAndMergeResults	getPartitionUpdateAndMergeResults(PartitionUpdate partitionUpdate)
long	getValidationCpuNanos()
long	getWrittenBytes()
void	rollback()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.plugin.hive.FileWriter

getVerificationTask

Constructor Details

MergeFileWriter

public MergeFileWriter(AcidTransaction transaction,
 int statementId,
 OptionalInt bucketNumber,
 HiveWriterFactory.RowIdSortingFileWriterMaker sortingFileWriterMaker,
 String bucketPath,
 OrcFileWriterFactory orcFileWriterFactory,
 HiveCompressionCodec compressionCodec,
 List<HiveColumnHandle> inputColumns,
 ConnectorSession session,
 TypeManager typeManager,
 HiveType hiveRowType)

Method Details

appendRows

public void appendRows(Page page)

Specified by:

appendRows in interface FileWriter

buildInsertPage

public static Page buildInsertPage(Page insertPage,
 long writeId,
 List<HiveColumnHandle> columns,
 Block bucketValueBlock,
 int insertRowCount)

getWrittenBytes

public long getWrittenBytes()

Specified by:

getWrittenBytes in interface FileWriter

getMemoryUsage

public long getMemoryUsage()

Specified by:

getMemoryUsage 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

getPartitionUpdateAndMergeResults

public PartitionUpdateAndMergeResults getPartitionUpdateAndMergeResults(PartitionUpdate partitionUpdate)