Package io.trino.sql.analyzer

Class PatternRecognitionAnalyzer

java.lang.Object

io.trino.sql.analyzer.PatternRecognitionAnalyzer

public class PatternRecognitionAnalyzer
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PatternRecognitionAnalyzer.PatternRecognitionAnalysis

Method Summary

Modifier and Type	Method	Description
static PatternRecognitionAnalyzer.PatternRecognitionAnalysis	analyze(List<SubsetDefinition> subsets, List<VariableDefinition> variableDefinitions, List<MeasureDefinition> measures, RowPattern pattern, Optional<SkipTo> skipTo)
static void	validateNoMatchNumber(List<MeasureDefinition> measures, List<VariableDefinition> variableDefinitions, Set<NodeRef<FunctionCall>> patternRecognitionFunctions)
static void	validateNoPatternAnchors(RowPattern pattern)
static void	validateNoPatternSearchMode(Optional<PatternSearchMode> patternSearchMode)
static void	validatePatternExclusions(Optional<PatternRecognitionRelation.RowsPerMatch> rowsPerMatch, RowPattern pattern)

Methods inherited from class java.lang.Object

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

Method Detail

analyze

public static PatternRecognitionAnalyzer.PatternRecognitionAnalysis analyze(List<SubsetDefinition> subsets,
                                                                            List<VariableDefinition> variableDefinitions,
                                                                            List<MeasureDefinition> measures,
                                                                            RowPattern pattern,
                                                                            Optional<SkipTo> skipTo)

validateNoPatternSearchMode

public static void validateNoPatternSearchMode(Optional<PatternSearchMode> patternSearchMode)

validatePatternExclusions

public static void validatePatternExclusions(Optional<PatternRecognitionRelation.RowsPerMatch> rowsPerMatch,
                                             RowPattern pattern)

validateNoPatternAnchors

public static void validateNoPatternAnchors(RowPattern pattern)

validateNoMatchNumber

public static void validateNoMatchNumber(List<MeasureDefinition> measures,
                                         List<VariableDefinition> variableDefinitions,
                                         Set<NodeRef<FunctionCall>> patternRecognitionFunctions)