Package io.trino.sql.planner

Class NodePartitioningManager

java.lang.Object

io.trino.sql.planner.NodePartitioningManager

public class NodePartitioningManager
extends Object

Constructor Summary

Constructors

Constructor	Description
NodePartitioningManager(NodeScheduler nodeScheduler, TypeOperators typeOperators, CatalogServiceProvider<ConnectorNodePartitioningProvider> partitioningProvider)

Method Summary

Modifier and Type	Method	Description
BucketFunction	getBucketFunction(Session session, PartitioningHandle partitioningHandle, List<Type> partitionChannelTypes, int bucketCount)
BucketNodeMap	getBucketNodeMap(Session session, PartitioningHandle partitioningHandle)
Optional<ConnectorBucketNodeMap>	getConnectorBucketNodeMap(Session session, PartitioningHandle partitioningHandle)
int	getNodeCount(Session session, PartitioningHandle partitioningHandle)
NodePartitionMap	getNodePartitioningMap(Session session, PartitioningHandle partitioningHandle)
NodePartitionMap	getNodePartitioningMap(Session session, PartitioningHandle partitioningHandle, Optional<Integer> partitionCount)
PartitionFunction	getPartitionFunction(Session session, PartitioningScheme partitioningScheme, List<Type> partitionChannelTypes)
PartitionFunction	getPartitionFunction(Session session, PartitioningScheme partitioningScheme, List<Type> partitionChannelTypes, int[] bucketToPartition)
ToIntFunction<Split>	getSplitToBucket(Session session, PartitioningHandle partitioningHandle)

Methods inherited from class java.lang.Object

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

Constructor Details

NodePartitioningManager

@Inject
public NodePartitioningManager(NodeScheduler nodeScheduler,
 TypeOperators typeOperators,
 CatalogServiceProvider<ConnectorNodePartitioningProvider> partitioningProvider)

Method Details

getPartitionFunction

public PartitionFunction getPartitionFunction(Session session,
 PartitioningScheme partitioningScheme,
 List<Type> partitionChannelTypes)

getPartitionFunction

public PartitionFunction getPartitionFunction(Session session,
 PartitioningScheme partitioningScheme,
 List<Type> partitionChannelTypes,
 int[] bucketToPartition)

getBucketFunction

public BucketFunction getBucketFunction(Session session,
 PartitioningHandle partitioningHandle,
 List<Type> partitionChannelTypes,
 int bucketCount)

getNodePartitioningMap

public NodePartitionMap getNodePartitioningMap(Session session,
 PartitioningHandle partitioningHandle)

getNodePartitioningMap

public NodePartitionMap getNodePartitioningMap(Session session,
 PartitioningHandle partitioningHandle,
 Optional<Integer> partitionCount)

getBucketNodeMap

public BucketNodeMap getBucketNodeMap(Session session,
 PartitioningHandle partitioningHandle)

getNodeCount

public int getNodeCount(Session session,
 PartitioningHandle partitioningHandle)

getConnectorBucketNodeMap

public Optional<ConnectorBucketNodeMap> getConnectorBucketNodeMap(Session session,
 PartitioningHandle partitioningHandle)

getSplitToBucket

public ToIntFunction<Split> getSplitToBucket(Session session,
 PartitioningHandle partitioningHandle)