Package io.trino.sql.planner.plan

Class ExchangeNode

java.lang.Object

io.trino.sql.planner.plan.PlanNode

io.trino.sql.planner.plan.ExchangeNode

@Immutable
public class ExchangeNode
extends PlanNode

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ExchangeNode.Scope
static enum	ExchangeNode.Type

Constructor Summary

Constructors

Constructor	Description
ExchangeNode(PlanNodeId id, ExchangeNode.Type type, ExchangeNode.Scope scope, PartitioningScheme partitioningScheme, List<PlanNode> sources, List<List<Symbol>> inputs, Optional<OrderingScheme> orderingScheme)

Method Summary

Modifier and Type	Method	Description
<R, C> R	accept(PlanVisitor<R,C> visitor, C context)
static ExchangeNode	gatheringExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child)
List<List<Symbol>>	getInputs()
Optional<OrderingScheme>	getOrderingScheme()
List<Symbol>	getOutputSymbols()
PartitioningScheme	getPartitioningScheme()
ExchangeNode.Scope	getScope()
List<PlanNode>	getSources()
ExchangeNode.Type	getType()
static ExchangeNode	mergingExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child, OrderingScheme orderingScheme)
static ExchangeNode	partitionedExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child, PartitioningScheme partitioningScheme)
static ExchangeNode	partitionedExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child, List<Symbol> partitioningColumns, Optional<Symbol> hashColumns)
static ExchangeNode	partitionedExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child, List<Symbol> partitioningColumns, Optional<Symbol> hashColumns, boolean replicateNullsAndAny)
PlanNode	replaceChildren(List<PlanNode> newChildren)
static ExchangeNode	replicatedExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child)
static ExchangeNode	roundRobinExchange(PlanNodeId id, ExchangeNode.Scope scope, PlanNode child)

Methods inherited from class io.trino.sql.planner.plan.PlanNode

getId

Methods inherited from class java.lang.Object

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

Constructor Details

ExchangeNode

public ExchangeNode(PlanNodeId id,
 ExchangeNode.Type type,
 ExchangeNode.Scope scope,
 PartitioningScheme partitioningScheme,
 List<PlanNode> sources,
 List<List<Symbol>> inputs,
 Optional<OrderingScheme> orderingScheme)

Method Details

partitionedExchange

public static ExchangeNode partitionedExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child,
 List<Symbol> partitioningColumns,
 Optional<Symbol> hashColumns)

partitionedExchange

public static ExchangeNode partitionedExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child,
 List<Symbol> partitioningColumns,
 Optional<Symbol> hashColumns,
 boolean replicateNullsAndAny)

partitionedExchange

public static ExchangeNode partitionedExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child,
 PartitioningScheme partitioningScheme)

replicatedExchange

public static ExchangeNode replicatedExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child)

gatheringExchange

public static ExchangeNode gatheringExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child)

roundRobinExchange

public static ExchangeNode roundRobinExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child)

mergingExchange

public static ExchangeNode mergingExchange(PlanNodeId id,
 ExchangeNode.Scope scope,
 PlanNode child,
 OrderingScheme orderingScheme)

getType

public ExchangeNode.Type getType()

getScope

public ExchangeNode.Scope getScope()

getSources

public List<PlanNode> getSources()

Specified by:

getSources in class PlanNode

getOutputSymbols

public List<Symbol> getOutputSymbols()

Specified by:

getOutputSymbols in class PlanNode

getPartitioningScheme

public PartitioningScheme getPartitioningScheme()

getOrderingScheme

public Optional<OrderingScheme> getOrderingScheme()

getInputs

public List<List<Symbol>> getInputs()

accept

public <R,
C> R accept(PlanVisitor<R,C> visitor,
 C context)

Overrides:

accept in class PlanNode

replaceChildren

public PlanNode replaceChildren(List<PlanNode> newChildren)

Specified by:

replaceChildren in class PlanNode