Class ParquetFileWriter

java.lang.Object

io.trino.plugin.hive.parquet.ParquetFileWriter

All Implemented Interfaces:

FileWriter

public final class ParquetFileWriter
extends Object
implements FileWriter

Constructor Summary

Constructors

Constructor

Description

ParquetFileWriter(TrinoOutputFile outputFile, Closeable rollbackAction, List<Type> fileColumnTypes, List<String> fileColumnNames, org.apache.parquet.schema.MessageType messageType, Map<List<String>,Type> primitiveTypes, ParquetWriterOptions parquetWriterOptions, int[] fileInputColumnIndexes, org.apache.parquet.format.CompressionCodec compressionCodec, String trinoVersion, Optional<org.joda.time.DateTimeZone> parquetTimeZone, Optional<Supplier<ParquetDataSource>> validationInputFactory)

Method Summary

Modifier and Type	Method	Description
void	appendRows(Page dataPage)
Closeable	commit()	Commits written data.
org.apache.parquet.format.FileMetaData	getFileMetadata()
long	getMemoryUsage()
long	getValidationCpuNanos()
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

ParquetFileWriter

public ParquetFileWriter(TrinoOutputFile outputFile,
 Closeable rollbackAction,
 List<Type> fileColumnTypes,
 List<String> fileColumnNames,
 org.apache.parquet.schema.MessageType messageType,
 Map<List<String>,Type> primitiveTypes,
 ParquetWriterOptions parquetWriterOptions,
 int[] fileInputColumnIndexes,
 org.apache.parquet.format.CompressionCodec compressionCodec,
 String trinoVersion,
 Optional<org.joda.time.DateTimeZone> parquetTimeZone,
 Optional<Supplier<ParquetDataSource>> validationInputFactory)
                  throws IOException

Throws:

IOException

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 dataPage)

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

getFileMetadata

public org.apache.parquet.format.FileMetaData getFileMetadata()