Package io.trino.operator

Class BucketPartitionFunction

java.lang.Object

io.trino.operator.BucketPartitionFunction

All Implemented Interfaces:

PartitionFunction

public class BucketPartitionFunction
extends Object
implements PartitionFunction

Constructor Summary

Constructors

Constructor	Description
BucketPartitionFunction(BucketFunction bucketFunction, int[] bucketToPartition)

Method Summary

Modifier and Type	Method	Description
int	getPartition(Page functionArguments, int position)
int	partitionCount()

Methods inherited from class java.lang.Object

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

Constructor Details

BucketPartitionFunction

public BucketPartitionFunction(BucketFunction bucketFunction,
 int[] bucketToPartition)

Method Details

partitionCount

public int partitionCount()

Specified by:

partitionCount in interface PartitionFunction

getPartition

public int getPartition(Page functionArguments,
 int position)

Specified by:

getPartition in interface PartitionFunction

Parameters:

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