Package io.prestosql.sql.planner.iterative.rule

Class PruneSemiJoinColumns

java.lang.Object

io.prestosql.sql.planner.iterative.rule.ProjectOffPushDownRule<SemiJoinNode>

io.prestosql.sql.planner.iterative.rule.PruneSemiJoinColumns

All Implemented Interfaces:

Rule<ProjectNode>

public class PruneSemiJoinColumns
extends ProjectOffPushDownRule<SemiJoinNode>

Nested Class Summary

Nested classes/interfaces inherited from interface io.prestosql.sql.planner.iterative.Rule

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor	Description
PruneSemiJoinColumns()

Method Summary

Modifier and Type	Method	Description
protected Optional<PlanNode>	pushDownProjectOff(Rule.Context context, SemiJoinNode semiJoinNode, Set<Symbol> referencedOutputs)

Methods inherited from class io.prestosql.sql.planner.iterative.rule.ProjectOffPushDownRule

apply, getPattern

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.prestosql.sql.planner.iterative.Rule

isEnabled

Constructor Detail

PruneSemiJoinColumns

public PruneSemiJoinColumns()

Method Detail

pushDownProjectOff

protected Optional<PlanNode> pushDownProjectOff(Rule.Context context,
                                                SemiJoinNode semiJoinNode,
                                                Set<Symbol> referencedOutputs)

Specified by:

pushDownProjectOff in class ProjectOffPushDownRule<SemiJoinNode>