Package io.trino.operator.project

Class PageProcessor

java.lang.Object

io.trino.operator.project.PageProcessor

@NotThreadSafe
public class PageProcessor
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_BATCH_SIZE

Constructor Summary

Constructors

Constructor	Description
PageProcessor(Optional<PageFilter> filter, List<? extends PageProjection> projections)
PageProcessor(Optional<PageFilter> filter, List<? extends PageProjection> projections, OptionalInt initialBatchSize)
PageProcessor(Optional<PageFilter> filter, List<? extends PageProjection> projections, OptionalInt initialBatchSize, ExpressionProfiler expressionProfiler)

Method Summary

Modifier and Type	Method	Description
WorkProcessor<Page>	createWorkProcessor(ConnectorSession session, DriverYieldSignal yieldSignal, LocalMemoryContext memoryContext, PageProcessorMetrics metrics, Page page)
List<PageProjection>	getProjections()
Iterator<Optional<Page>>	process(ConnectorSession session, DriverYieldSignal yieldSignal, LocalMemoryContext memoryContext, Page page)

Methods inherited from class java.lang.Object

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

Field Details

MAX_BATCH_SIZE

public static final int MAX_BATCH_SIZE

See Also:

• Constant Field Values

Constructor Details

PageProcessor

public PageProcessor(Optional<PageFilter> filter,
 List<? extends PageProjection> projections,
 OptionalInt initialBatchSize)

PageProcessor

public PageProcessor(Optional<PageFilter> filter,
 List<? extends PageProjection> projections,
 OptionalInt initialBatchSize,
 ExpressionProfiler expressionProfiler)

PageProcessor

public PageProcessor(Optional<PageFilter> filter,
 List<? extends PageProjection> projections)

Method Details

process

public Iterator<Optional<Page>> process(ConnectorSession session,
 DriverYieldSignal yieldSignal,
 LocalMemoryContext memoryContext,
 Page page)

createWorkProcessor

public WorkProcessor<Page> createWorkProcessor(ConnectorSession session,
 DriverYieldSignal yieldSignal,
 LocalMemoryContext memoryContext,
 PageProcessorMetrics metrics,
 Page page)

getProjections

public List<PageProjection> getProjections()