com.facebook.presto.hive.parquet

Class ParquetPageSource

java.lang.Object

com.facebook.presto.hive.parquet.ParquetPageSource

All Implemented Interfaces:

ConnectorPageSource, Closeable, AutoCloseable

public class ParquetPageSource
extends Object
implements ConnectorPageSource

Field Summary

Fields inherited from interface com.facebook.presto.spi.ConnectorPageSource

NOT_BLOCKED

Constructor Summary

Constructors

Constructor and Description
ParquetPageSource(ParquetReader parquetReader, ParquetDataSource dataSource, parquet.schema.MessageType fileSchema, parquet.schema.MessageType requestedSchema, Properties splitSchema, List<HiveColumnHandle> columns, TupleDomain<HiveColumnHandle> effectivePredicate, TypeManager typeManager, boolean useParquetColumnNames, AggregatedMemoryContext systemMemoryContext)

Method Summary

Modifier and Type	Method and Description
void	close()
long	getCompletedBytes()
Page	getNextPage()
long	getReadTimeNanos()
long	getSystemMemoryUsage()
boolean	isFinished()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.presto.spi.ConnectorPageSource

isBlocked

Constructor Detail

ParquetPageSource

public ParquetPageSource(ParquetReader parquetReader,
                         ParquetDataSource dataSource,
                         parquet.schema.MessageType fileSchema,
                         parquet.schema.MessageType requestedSchema,
                         Properties splitSchema,
                         List<HiveColumnHandle> columns,
                         TupleDomain<HiveColumnHandle> effectivePredicate,
                         TypeManager typeManager,
                         boolean useParquetColumnNames,
                         AggregatedMemoryContext systemMemoryContext)

Method Detail

getCompletedBytes

public long getCompletedBytes()

Specified by:

getCompletedBytes in interface ConnectorPageSource

getReadTimeNanos

public long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface ConnectorPageSource

isFinished

public boolean isFinished()

Specified by:

isFinished in interface ConnectorPageSource

getSystemMemoryUsage

public long getSystemMemoryUsage()

Specified by:

getSystemMemoryUsage in interface ConnectorPageSource

getNextPage

public Page getNextPage()

Specified by:

getNextPage in interface ConnectorPageSource

close

public void close()

Specified by:

close in interface ConnectorPageSource

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable