Uses of Record Class
org.eclipse.rdf4j.query.algebra.evaluation.optimizer.PatternKey

Packages that use PatternKey

Package	Description
org.eclipse.rdf4j.query.algebra.evaluation.optimizer

Uses of PatternKey in org.eclipse.rdf4j.query.algebra.evaluation.optimizer

Methods in org.eclipse.rdf4j.query.algebra.evaluation.optimizer that return PatternKey

Modifier and Type	Method	Description
static PatternKey	FilterSelectivityKeys.patternKeyFor(StatementPattern pattern)

Methods in org.eclipse.rdf4j.query.algebra.evaluation.optimizer with parameters of type PatternKey

Modifier and Type	Method	Description
double	JoinStatsProvider.getAverageResults(PatternKey key)
default long	JoinStatsProvider.getCalls(PatternKey key)	Returns the number of observed calls for the given key, or a negative value when unavailable.
default long	JoinStatsProvider.getFilterObservationCount(PatternKey key, String filterKey)	Returns the number of observed outcomes for a specific filter condition and pattern key, or a negative value when unavailable.
default double	JoinStatsProvider.getFilterPassRatio(PatternKey key, String filterKey)	Returns the observed pass ratio for a specific filter condition and pattern key, or a negative value when unavailable.
default long	JoinStatsProvider.getFilterTemplateObservationCount(PatternKey key, String filterTemplateKey)	Returns the number of observed outcomes for a generalized filter template and pattern key, or a negative value when unavailable.
default double	JoinStatsProvider.getFilterTemplatePassRatio(PatternKey key, String filterTemplateKey)	Returns the observed pass ratio for a generalized filter template and pattern key, or a negative value when unavailable.
default double	JoinStatsProvider.getMaxResults(PatternKey key)	Returns the maximum observed result count per call for the given key.
default long	JoinStatsProvider.getPatternObservationCount(PatternKey key)	Returns the number of observed outcomes for all filters seen on a pattern key, or a negative value when unavailable.
default double	JoinStatsProvider.getPatternPassRatio(PatternKey key)	Returns the observed aggregate pass ratio for all filters seen on a pattern key, or a negative value when unavailable.
default double	JoinStatsProvider.getUncertainty(PatternKey key)	Returns an uncertainty score in [0,1] where 1 means highest uncertainty.
boolean	JoinStatsProvider.hasStats(PatternKey key)
void	JoinStatsProvider.recordCall(PatternKey key)
default void	JoinStatsProvider.recordFilterOutcome(PatternKey key, String filterKey, long passedCount, long filteredCount)	Records observed filter outcomes for a statement-pattern key and condition key.
void	JoinStatsProvider.recordResults(PatternKey key, long resultCount)
void	JoinStatsProvider.seedIfAbsent(PatternKey key, double defaultCardinality, long priorCalls)	Seeds statistics for the given key.