Package io.trino.execution.querystats

Class PlanOptimizersStatsCollector

java.lang.Object

io.trino.execution.querystats.PlanOptimizersStatsCollector

@ThreadSafe
public class PlanOptimizersStatsCollector
extends Object

Constructor Summary

Constructors

Constructor	Description
PlanOptimizersStatsCollector(int queryReportedRuleStatsLimit)

Method Summary

Modifier and Type	Method	Description
void	add(PlanOptimizersStatsCollector other)
static PlanOptimizersStatsCollector	createPlanOptimizersStatsCollector()
List<QueryPlanOptimizerStatistics>	getTopRuleStats()
List<QueryPlanOptimizerStatistics>	getTopRuleStats(int limit)
void	recordFailure(Rule<?> rule)
void	recordFailure(PlanOptimizer rule)
void	recordOptimizer(PlanOptimizer planOptimizer, long duration)
void	recordRule(Rule<?> rule, boolean invoked, boolean applied, long elapsedNanos)

Methods inherited from class java.lang.Object

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

Constructor Details

PlanOptimizersStatsCollector

public PlanOptimizersStatsCollector(int queryReportedRuleStatsLimit)

Method Details

recordRule

public void recordRule(Rule<?> rule,
 boolean invoked,
 boolean applied,
 long elapsedNanos)

recordOptimizer

public void recordOptimizer(PlanOptimizer planOptimizer,
 long duration)

recordFailure

public void recordFailure(Rule<?> rule)

recordFailure

public void recordFailure(PlanOptimizer rule)

getTopRuleStats

public List<QueryPlanOptimizerStatistics> getTopRuleStats()

getTopRuleStats

public List<QueryPlanOptimizerStatistics> getTopRuleStats(int limit)

add

public void add(PlanOptimizersStatsCollector other)

createPlanOptimizersStatsCollector

public static PlanOptimizersStatsCollector createPlanOptimizersStatsCollector()