org.apache.tajo.plan.logical

Class DistinctGroupbyNode

java.lang.Object

org.apache.tajo.plan.logical.LogicalNode

org.apache.tajo.plan.logical.UnaryNode

org.apache.tajo.plan.logical.DistinctGroupbyNode

All Implemented Interfaces:

Cloneable, GsonObject, Projectable

public class DistinctGroupbyNode
extends UnaryNode
implements Projectable, Cloneable

Constructor Summary

Constructors

Constructor and Description
DistinctGroupbyNode(int pid)

Method Summary

Methods

Modifier and Type	Method and Description
Object	clone()
boolean	equals(Object obj)
AggregationFunctionCallEval[]	getAggFunctions()
Column[]	getFirstStageShuffleKeyColumns()
GroupbyNode	getGroupbyPlan()
Column[]	getGroupingColumns()
PlanString	getPlanString()
int[]	getResultColumnIds()
List<GroupbyNode>	getSubPlans()
Target[]	getTargets() Get a list of targets
boolean	hasTargets() check if this node has a target list
boolean	isEmptyGrouping()
void	setAggFunctions(AggregationFunctionCallEval[] evals)
void	setGroupbyPlan(GroupbyNode groupbyPlan)
void	setGroupingColumns(Column[] groupingColumns)
void	setResultColumnIds(int[] resultColumnIds)
void	setSubPlans(List<GroupbyNode> groupByNodes)
void	setTargets(Target[] targets) Set a target list
String	toString()

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

childNum, deepEquals, getChild, getChild, postOrder, preOrder, setChild

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, hashCode, notify, notifyAll, wait, wait, wait

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

getInSchema, getOutSchema, getPID

Constructor Detail

DistinctGroupbyNode

public DistinctGroupbyNode(int pid)

Method Detail

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

setSubPlans

public void setSubPlans(List<GroupbyNode> groupByNodes)

getSubPlans

public List<GroupbyNode> getSubPlans()

getGroupingColumns

public final Column[] getGroupingColumns()

setGroupingColumns

public final void setGroupingColumns(Column[] groupingColumns)

getResultColumnIds

public int[] getResultColumnIds()

setResultColumnIds

public void setResultColumnIds(int[] resultColumnIds)

getAggFunctions

public AggregationFunctionCallEval[] getAggFunctions()

setAggFunctions

public void setAggFunctions(AggregationFunctionCallEval[] evals)

setGroupbyPlan

public void setGroupbyPlan(GroupbyNode groupbyPlan)

getGroupbyPlan

public GroupbyNode getGroupbyPlan()

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class UnaryNode

Throws:

CloneNotSupportedException

isEmptyGrouping

public final boolean isEmptyGrouping()

toString

public String toString()

Overrides:

toString in class LogicalNode

equals

public boolean equals(Object obj)

Overrides:

equals in class LogicalNode

getPlanString

public PlanString getPlanString()

Specified by:

getPlanString in class LogicalNode

getFirstStageShuffleKeyColumns

public Column[] getFirstStageShuffleKeyColumns()