io.prestosql.sql.gen

Class ExpressionProfiler

java.lang.Object

io.prestosql.sql.gen.ExpressionProfiler

public class ExpressionProfiler
extends Object

Constructor Summary

Constructors

Constructor and Description
ExpressionProfiler()
ExpressionProfiler(com.google.common.base.Ticker ticker, io.airlift.units.Duration expensiveExpressionThreshold)

Method Summary

Modifier and Type	Method and Description
boolean	isExpressionExpensive()
void	start()
void	stop(int batchSize)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionProfiler

public ExpressionProfiler()

ExpressionProfiler

public ExpressionProfiler(com.google.common.base.Ticker ticker,
                          io.airlift.units.Duration expensiveExpressionThreshold)

Method Detail

start

public void start()

stop

public void stop(int batchSize)

isExpressionExpensive

public boolean isExpressionExpensive()