org.apache.tajo.plan.logical

Class TableSubQueryNode

java.lang.Object

org.apache.tajo.plan.logical.LogicalNode

org.apache.tajo.plan.logical.RelationNode

org.apache.tajo.plan.logical.TableSubQueryNode

All Implemented Interfaces:

Cloneable, GsonObject, Projectable

public class TableSubQueryNode
extends RelationNode
implements Projectable

Constructor Summary

Constructors

Constructor and Description
TableSubQueryNode(int pid)

Method Summary

Methods

Modifier and Type	Method and Description
int	childNum()
Object	clone()
boolean	equals(Object object)
String	getAlias()
String	getCanonicalName()
LogicalNode	getChild(int idx)
Schema	getLogicalSchema()
PlanString	getPlanString()
LogicalNode	getSubQuery()
String	getTableName()
Target[]	getTargets() Get a list of targets
boolean	hasAlias()
int	hashCode()
boolean	hasTargets() check if this node has a target list
void	init(String tableName, LogicalNode subQuery)
void	postOrder(LogicalNodeVisitor visitor)
void	preOrder(LogicalNodeVisitor visitor)
void	setSubQuery(LogicalNode node)
void	setTargets(Target[] targets) Set a target list
String	toString()

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

deepEquals, 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

TableSubQueryNode

public TableSubQueryNode(int pid)

Method Detail

childNum

public int childNum()

Specified by:

childNum in class LogicalNode

getChild

public LogicalNode getChild(int idx)

Specified by:

getChild in class LogicalNode

init

public void init(String tableName,
        LogicalNode subQuery)

hasAlias

public boolean hasAlias()

Specified by:

hasAlias in class RelationNode

getAlias

public String getAlias()

Specified by:

getAlias in class RelationNode

getTableName

public String getTableName()

Specified by:

getTableName in class RelationNode

getCanonicalName

public String getCanonicalName()

Specified by:

getCanonicalName in class RelationNode

getLogicalSchema

public Schema getLogicalSchema()

Specified by:

getLogicalSchema in class RelationNode

setSubQuery

public void setSubQuery(LogicalNode node)

getSubQuery

public LogicalNode getSubQuery()

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

getPlanString

public PlanString getPlanString()

Specified by:

getPlanString in class LogicalNode

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class LogicalNode

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class LogicalNode

Throws:

CloneNotSupportedException

preOrder

public void preOrder(LogicalNodeVisitor visitor)

Specified by:

preOrder in class LogicalNode

postOrder

public void postOrder(LogicalNodeVisitor visitor)

Specified by:

postOrder in class LogicalNode

toString

public String toString()

Overrides:

toString in class LogicalNode