io.prestosql.sql.planner.plan

Class TopNRowNumberNode

java.lang.Object

io.prestosql.sql.planner.plan.PlanNode

io.prestosql.sql.planner.plan.TopNRowNumberNode

@Immutable
public final class TopNRowNumberNode
extends PlanNode

Constructor Summary

Constructors

Constructor and Description
TopNRowNumberNode(PlanNodeId id, PlanNode source, WindowNode.Specification specification, Symbol rowNumberSymbol, int maxRowCountPerPartition, boolean partial, Optional<Symbol> hashSymbol)

Method Summary

Modifier and Type	Method and Description
<R,C> R	accept(PlanVisitor<R,C> visitor, C context)
Optional<Symbol>	getHashSymbol()
int	getMaxRowCountPerPartition()
OrderingScheme	getOrderingScheme()
List<Symbol>	getOutputSymbols()
List<Symbol>	getPartitionBy()
Symbol	getRowNumberSymbol()
PlanNode	getSource()
List<PlanNode>	getSources()
WindowNode.Specification	getSpecification()
boolean	isPartial()
PlanNode	replaceChildren(List<PlanNode> newChildren)

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

getId

Methods inherited from class java.lang.Object

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

Constructor Detail

TopNRowNumberNode

public TopNRowNumberNode(PlanNodeId id,
                         PlanNode source,
                         WindowNode.Specification specification,
                         Symbol rowNumberSymbol,
                         int maxRowCountPerPartition,
                         boolean partial,
                         Optional<Symbol> hashSymbol)

Method Detail

getSources

public List<PlanNode> getSources()

Specified by:

getSources in class PlanNode

getOutputSymbols

public List<Symbol> getOutputSymbols()

Specified by:

getOutputSymbols in class PlanNode

getSource

public PlanNode getSource()

getSpecification

public WindowNode.Specification getSpecification()

getPartitionBy

public List<Symbol> getPartitionBy()

getOrderingScheme

public OrderingScheme getOrderingScheme()

getRowNumberSymbol

public Symbol getRowNumberSymbol()

getMaxRowCountPerPartition

public int getMaxRowCountPerPartition()

isPartial

public boolean isPartial()

getHashSymbol

public Optional<Symbol> getHashSymbol()

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