Package io.trino.operator.output

Class SkewedPartitionFunction

java.lang.Object

io.trino.operator.output.SkewedPartitionFunction

All Implemented Interfaces:

PartitionFunction

public class SkewedPartitionFunction
extends Object
implements PartitionFunction

Constructor Summary

Constructors

Constructor	Description
SkewedPartitionFunction(PartitionFunction partitionFunction, SkewedPartitionRebalancer skewedPartitionRebalancer)

Method Summary

Modifier and Type	Method	Description
void	flushPartitionRowCountToRebalancer()
int	getPartition(Page page, int position)
int	partitionCount()

Methods inherited from class java.lang.Object

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

Constructor Details

SkewedPartitionFunction

public SkewedPartitionFunction(PartitionFunction partitionFunction,
 SkewedPartitionRebalancer skewedPartitionRebalancer)

Method Details

partitionCount

public int partitionCount()

Specified by:

partitionCount in interface PartitionFunction

getPartition

public int getPartition(Page page,
 int position)

Specified by:

getPartition in interface PartitionFunction

Parameters:

page - the arguments to bucketing function in order (no extra columns)

flushPartitionRowCountToRebalancer

public void flushPartitionRowCountToRebalancer()