org.apache.hadoop.hive.ql.optimizer.calcite

Class RuleEventLogger

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.calcite.RuleEventLogger

All Implemented Interfaces:

EventListener, org.apache.calcite.plan.RelOptListener

public class RuleEventLogger
extends Object
implements org.apache.calcite.plan.RelOptListener

Listener for logging useful debugging information on certain rule events.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.plan.RelOptListener

org.apache.calcite.plan.RelOptListener.RelChosenEvent, org.apache.calcite.plan.RelOptListener.RelDiscardedEvent, org.apache.calcite.plan.RelOptListener.RelEquivalenceEvent, org.apache.calcite.plan.RelOptListener.RelEvent, org.apache.calcite.plan.RelOptListener.RuleAttemptedEvent, org.apache.calcite.plan.RelOptListener.RuleEvent, org.apache.calcite.plan.RelOptListener.RuleProductionEvent

Constructor Summary

Constructors

Constructor and Description
RuleEventLogger()

Method Summary

Modifier and Type	Method and Description
void	relChosen(org.apache.calcite.plan.RelOptListener.RelChosenEvent event)
void	relDiscarded(org.apache.calcite.plan.RelOptListener.RelDiscardedEvent event)
void	relEquivalenceFound(org.apache.calcite.plan.RelOptListener.RelEquivalenceEvent event)
void	ruleAttempted(org.apache.calcite.plan.RelOptListener.RuleAttemptedEvent event)
void	ruleProductionSucceeded(org.apache.calcite.plan.RelOptListener.RuleProductionEvent event)

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleEventLogger

public RuleEventLogger()

Method Detail

relEquivalenceFound

public void relEquivalenceFound(org.apache.calcite.plan.RelOptListener.RelEquivalenceEvent event)

Specified by:

relEquivalenceFound in interface org.apache.calcite.plan.RelOptListener

ruleAttempted

public void ruleAttempted(org.apache.calcite.plan.RelOptListener.RuleAttemptedEvent event)

Specified by:

ruleAttempted in interface org.apache.calcite.plan.RelOptListener

ruleProductionSucceeded

public void ruleProductionSucceeded(org.apache.calcite.plan.RelOptListener.RuleProductionEvent event)

Specified by:

ruleProductionSucceeded in interface org.apache.calcite.plan.RelOptListener

relDiscarded

public void relDiscarded(org.apache.calcite.plan.RelOptListener.RelDiscardedEvent event)

Specified by:

relDiscarded in interface org.apache.calcite.plan.RelOptListener

relChosen

public void relChosen(org.apache.calcite.plan.RelOptListener.RelChosenEvent event)

Specified by:

relChosen in interface org.apache.calcite.plan.RelOptListener