Package io.prestosql.operator

Class JoinStatisticsCounter

java.lang.Object

io.prestosql.operator.JoinStatisticsCounter

All Implemented Interfaces:

Supplier<OperatorInfo>

public class JoinStatisticsCounter
extends Object
implements Supplier<OperatorInfo>

Field Summary

Fields

Modifier and Type	Field	Description
static int	HISTOGRAM_BUCKETS

Constructor Summary

Constructors

Constructor	Description
JoinStatisticsCounter(LookupJoinOperators.JoinType joinType)

Method Summary

Modifier and Type	Method	Description
JoinOperatorInfo	get()
void	recordProbe(int numSourcePositions)
void	updateLookupSourcePositions(long lookupSourcePositionsDelta)

Methods inherited from class java.lang.Object

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

Field Detail

HISTOGRAM_BUCKETS

public static final int HISTOGRAM_BUCKETS

See Also:

Constant Field Values

Constructor Detail

JoinStatisticsCounter

public JoinStatisticsCounter(LookupJoinOperators.JoinType joinType)

Method Detail

updateLookupSourcePositions

public void updateLookupSourcePositions(long lookupSourcePositionsDelta)

recordProbe

public void recordProbe(int numSourcePositions)

get

public JoinOperatorInfo get()

Specified by:

get in interface Supplier<OperatorInfo>