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, List<MatchAggregation> measureAggregations, List<ArgumentComputation> measureComputationsAggregationArguments, Optional<FrameInfo> commonBaseFrame, PatternRecognitionRelation.RowsPerMatch rowsPerMatch, Optional<LogicalIndexNavigation> skipToNavigation, SkipTo.Position skipToPosition, boolean initial, Matcher matcher, List<LabelEvaluator.Evaluation> labelEvaluations, List<ArgumentComputation> labelEvaluationsAggregationArguments, List<String> labelNames)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

PatternRecognitionPartitioner

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

Method Details

createPartition

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

Specified by:

createPartition in interface Partitioner