Package io.trino.operator.window

Class PatternRecognitionPartitioner

java.lang.Object

io.trino.operator.window.PatternRecognitionPartitioner

All Implemented Interfaces:

Partitioner

public class PatternRecognitionPartitioner
extends Object
implements Partitioner

Constructor Summary

Constructors

Constructor	Description
PatternRecognitionPartitioner(List<MeasureComputation> measures, Optional<FrameInfo> commonBaseFrame, PatternRecognitionRelation.RowsPerMatch rowsPerMatch, Optional<LogicalIndexNavigation> skipToNavigation, SkipTo.Position skipToPosition, boolean initial, Matcher matcher, List<LabelEvaluator.Evaluation> labelEvaluations)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternRecognitionPartitioner

public PatternRecognitionPartitioner(List<MeasureComputation> measures,
                                     Optional<FrameInfo> commonBaseFrame,
                                     PatternRecognitionRelation.RowsPerMatch rowsPerMatch,
                                     Optional<LogicalIndexNavigation> skipToNavigation,
                                     SkipTo.Position skipToPosition,
                                     boolean initial,
                                     Matcher matcher,
                                     List<LabelEvaluator.Evaluation> labelEvaluations)

Method Detail

createPartition

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

Specified by:

createPartition in interface Partitioner