org.apache.drill.exec.planner.physical

Class SubsetTransformer<T extends org.apache.calcite.rel.RelNode,E extends Exception>

java.lang.Object

org.apache.drill.exec.planner.physical.SubsetTransformer<T,E>

Direct Known Subclasses:

AbstractIndexPlanGenerator

public abstract class SubsetTransformer<T extends org.apache.calcite.rel.RelNode,E extends Exception>
extends Object

Constructor Summary

Constructors

Constructor and Description
SubsetTransformer(org.apache.calcite.plan.RelOptRuleCall call)

Method Summary

Modifier and Type	Method and Description
abstract org.apache.calcite.rel.RelNode	convertChild(T current, org.apache.calcite.rel.RelNode child)
boolean	forceConvert()
boolean	go(T n, org.apache.calcite.rel.RelNode candidateSet)
org.apache.calcite.plan.RelTraitSet	newTraitSet(org.apache.calcite.plan.RelTrait... traits)

Methods inherited from class java.lang.Object

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

Constructor Detail

SubsetTransformer

public SubsetTransformer(org.apache.calcite.plan.RelOptRuleCall call)

Method Detail

convertChild

public abstract org.apache.calcite.rel.RelNode convertChild(T current,
                                                            org.apache.calcite.rel.RelNode child)
                                                     throws E extends Exception

Throws:

E extends Exception

forceConvert

public boolean forceConvert()

newTraitSet

public org.apache.calcite.plan.RelTraitSet newTraitSet(org.apache.calcite.plan.RelTrait... traits)

go

public boolean go(T n,
                  org.apache.calcite.rel.RelNode candidateSet)
           throws E extends Exception

Throws:

E extends Exception