Package io.prestosql.operator.window

Class WindowPartition

java.lang.Object

io.prestosql.operator.window.WindowPartition

public final class WindowPartition
extends Object

Constructor Summary

Constructors

Constructor	Description
WindowPartition(PagesIndex pagesIndex, int partitionStart, int partitionEnd, int[] outputChannels, List<FramedWindowFunction> windowFunctions, PagesHashStrategy peerGroupHashStrategy, Map<WindowOperator.FrameBoundKey,PagesIndexComparator> frameBoundComparators)

Method Summary

Modifier and Type	Method	Description
int	getPartitionEnd()
int	getPartitionStart()
boolean	hasNext()
void	processNextRow(PageBuilder pageBuilder)

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowPartition

public WindowPartition(PagesIndex pagesIndex,
                       int partitionStart,
                       int partitionEnd,
                       int[] outputChannels,
                       List<FramedWindowFunction> windowFunctions,
                       PagesHashStrategy peerGroupHashStrategy,
                       Map<WindowOperator.FrameBoundKey,PagesIndexComparator> frameBoundComparators)

Method Detail

getPartitionStart

public int getPartitionStart()

getPartitionEnd

public int getPartitionEnd()

hasNext

public boolean hasNext()

processNextRow

public void processNextRow(PageBuilder pageBuilder)