io.prestosql.operator.project

Class PageProcessor

java.lang.Object

io.prestosql.operator.project.PageProcessor

@NotThreadSafe
public class PageProcessor
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_BATCH_SIZE

Constructor Summary

Constructors

Constructor and 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 and Description
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 Detail

MAX_BATCH_SIZE

public static final int MAX_BATCH_SIZE

See Also:

Constant Field Values

Constructor Detail

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 Detail

process

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

getProjections

public List<PageProjection> getProjections()