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)
static ActualProperties	derivePropertiesRecursively(PlanNode node, PlannerContext plannerContext, Session session)
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)

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)

deriveProperties

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

streamBackdoorDeriveProperties

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

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)