org.apache.tajo.plan.logical

Class WindowAggNode

java.lang.Object

org.apache.tajo.plan.logical.LogicalNode

org.apache.tajo.plan.logical.UnaryNode

org.apache.tajo.plan.logical.WindowAggNode

All Implemented Interfaces:

Cloneable, GsonObject, Projectable

public class WindowAggNode
extends UnaryNode
implements Projectable, Cloneable

Constructor Summary

Constructors

Constructor and Description
WindowAggNode(int pid)

Method Summary

Methods

Modifier and Type	Method and Description
Object	clone()
boolean	equals(Object obj)
Column[]	getPartitionKeys()
PlanString	getPlanString()
SortSpec[]	getSortSpecs()
Target[]	getTargets() Get a list of targets
WindowFunctionEval[]	getWindowFunctions()
boolean	hasAggFunctions()
int	hashCode()
boolean	hasPartitionKeys()
boolean	hasSortSpecs()
boolean	hasTargets() check if this node has a target list
boolean	isDistinct()
void	setChild(LogicalNode subNode)
void	setDistinct(boolean distinct)
void	setPartitionKeys(Column[] groupingColumns)
void	setSortSpecs(SortSpec[] sortSpecs)
void	setTargets(Target[] targets) Set a target list
void	setWindowFunctions(WindowFunctionEval[] evals)
String	toString()

Methods inherited from class org.apache.tajo.plan.logical.UnaryNode

childNum, deepEquals, getChild, getChild, postOrder, preOrder

Methods inherited from class org.apache.tajo.plan.logical.LogicalNode

getCost, getInSchema, getOutSchema, getPID, getType, setCost, setInSchema, setOutSchema, setPID, setType, toJson

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.tajo.plan.logical.Projectable

getInSchema, getOutSchema, getPID

Constructor Detail

WindowAggNode

public WindowAggNode(int pid)

Method Detail

hasPartitionKeys

public final boolean hasPartitionKeys()

setPartitionKeys

public void setPartitionKeys(Column[] groupingColumns)

getPartitionKeys

public final Column[] getPartitionKeys()

hasSortSpecs

public final boolean hasSortSpecs()

setSortSpecs

public void setSortSpecs(SortSpec[] sortSpecs)

getSortSpecs

public final SortSpec[] getSortSpecs()

isDistinct

public final boolean isDistinct()

setDistinct

public void setDistinct(boolean distinct)

hasAggFunctions

public boolean hasAggFunctions()

getWindowFunctions

public WindowFunctionEval[] getWindowFunctions()

setWindowFunctions

public void setWindowFunctions(WindowFunctionEval[] evals)

hasTargets

public boolean hasTargets()

Description copied from interface: Projectable

check if this node has a target list

Specified by:

hasTargets in interface Projectable

Returns:

TRUE if this node has a target list. Otherwise, FALSE.

setTargets

public void setTargets(Target[] targets)

Description copied from interface: Projectable

Set a target list

Specified by:

setTargets in interface Projectable

Parameters:

targets - The array of targets

getTargets

public Target[] getTargets()

Description copied from interface: Projectable

Get a list of targets

Specified by:

getTargets in interface Projectable

Returns:

The array of targets

setChild

public void setChild(LogicalNode subNode)

Overrides:

setChild in class UnaryNode

toString

public String toString()

Overrides:

toString in class LogicalNode

equals

public boolean equals(Object obj)

Overrides:

equals in class LogicalNode

hashCode

public int hashCode()

Overrides:

hashCode in class Object

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class UnaryNode

Throws:

CloneNotSupportedException

getPlanString

public PlanString getPlanString()

Specified by:

getPlanString in class LogicalNode