io.prestosql.sql.planner

Class EffectivePredicateExtractor

java.lang.Object

io.prestosql.sql.planner.EffectivePredicateExtractor

public class EffectivePredicateExtractor
extends Object

Computes the effective predicate at the top of the specified PlanNode

Note: non-deterministic predicates can not be pulled up (so they will be ignored)

Constructor Summary

Constructors

Constructor and Description
EffectivePredicateExtractor(DomainTranslator domainTranslator, Metadata metadata)

Method Summary

Modifier and Type	Method and Description
Expression	extract(Session session, PlanNode node, TypeProvider types, TypeAnalyzer typeAnalyzer)

Methods inherited from class java.lang.Object

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

Constructor Detail

EffectivePredicateExtractor

public EffectivePredicateExtractor(DomainTranslator domainTranslator,
                                   Metadata metadata)

Method Detail

extract

public Expression extract(Session session,
                          PlanNode node,
                          TypeProvider types,
                          TypeAnalyzer typeAnalyzer)