Package io.trino.sql.planner.optimizations

Class PropertyDerivations

java.lang.Object

io.trino.sql.planner.optimizations.PropertyDerivations

public final class PropertyDerivations
extends Object

Method Summary

Modifier and Type	Method	Description
static ActualProperties	deriveProperties(PlanNode node, List<ActualProperties> inputProperties, PlannerContext plannerContext, Session session, TypeProvider types, IrTypeAnalyzer typeAnalyzer)
static ActualProperties	derivePropertiesRecursively(PlanNode node, PlannerContext plannerContext, Session session, TypeProvider types, IrTypeAnalyzer typeAnalyzer)
static Optional<Symbol>	filterIfMissing(Collection<Symbol> columns, Symbol column)
static Optional<Symbol>	filterOrRewrite(Collection<Symbol> columns, Collection<JoinNode.EquiJoinClause> equalities, Symbol column)
static ActualProperties	streamBackdoorDeriveProperties(PlanNode node, List<ActualProperties> inputProperties, PlannerContext plannerContext, Session session, TypeProvider types, IrTypeAnalyzer typeAnalyzer)

Methods inherited from class java.lang.Object

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

Method Details

derivePropertiesRecursively

public static ActualProperties derivePropertiesRecursively(PlanNode node,
 PlannerContext plannerContext,
 Session session,
 TypeProvider types,
 IrTypeAnalyzer typeAnalyzer)

deriveProperties

public static ActualProperties deriveProperties(PlanNode node,
 List<ActualProperties> inputProperties,
 PlannerContext plannerContext,
 Session session,
 TypeProvider types,
 IrTypeAnalyzer typeAnalyzer)

streamBackdoorDeriveProperties

public static ActualProperties streamBackdoorDeriveProperties(PlanNode node,
 List<ActualProperties> inputProperties,
 PlannerContext plannerContext,
 Session session,
 TypeProvider types,
 IrTypeAnalyzer typeAnalyzer)

filterIfMissing

public static Optional<Symbol> filterIfMissing(Collection<Symbol> columns,
 Symbol column)

filterOrRewrite

public static Optional<Symbol> filterOrRewrite(Collection<Symbol> columns,
 Collection<JoinNode.EquiJoinClause> equalities,
 Symbol column)