Class ReaderPageSource

java.lang.Object

io.trino.plugin.hive.ReaderPageSource

public class ReaderPageSource
extends Object

A wrapper class for

• delegate reader page source and
• columns to be read by the delegate (present only if different from the columns desired by the connector pagesource)

Constructor Summary

Constructors

Constructor	Description
ReaderPageSource(ConnectorPageSource connectorPageSource, Optional<ReaderColumns> columns)

Method Summary

Modifier and Type	Method	Description
ConnectorPageSource	get()
Optional<ReaderColumns>	getReaderColumns()
static ReaderPageSource	noProjectionAdaptation(ConnectorPageSource connectorPageSource)

Methods inherited from class java.lang.Object

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

Constructor Details

ReaderPageSource

public ReaderPageSource(ConnectorPageSource connectorPageSource,
 Optional<ReaderColumns> columns)

Method Details

get

public ConnectorPageSource get()

getReaderColumns

public Optional<ReaderColumns> getReaderColumns()

noProjectionAdaptation

public static ReaderPageSource noProjectionAdaptation(ConnectorPageSource connectorPageSource)