Package org.apache.iotdb.db.mpp.plan.planner.plan.node.process

Class ProjectNode

java.lang.Object

org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.process.ProcessNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.process.ProjectNode

All Implemented Interfaces:

org.apache.iotdb.consensus.common.request.IConsensusRequest

public class ProjectNode
extends ProcessNode

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode

CHILD_COUNT_NO_LIMIT, NO_CHILD_ALLOWED, ONE_CHILD

Constructor Summary

Constructors

Constructor	Description
ProjectNode(PlanNodeId id, java.util.List<java.lang.String> outputColumnNames)
ProjectNode(PlanNodeId id, PlanNode child, java.util.List<java.lang.String> outputColumnNames)

Method Summary

Modifier and Type	Method	Description
<R,C> R	accept(PlanVisitor<R,C> visitor, C context)
void	addChild(PlanNode child)
int	allowedChildCount()
PlanNode	clone()
static ProjectNode	deserialize(java.nio.ByteBuffer byteBuffer)
boolean	equals(java.lang.Object o)
java.util.List<PlanNode>	getChildren()
java.util.List<java.lang.String>	getOutputColumnNames()
int	hashCode()
protected void	serializeAttributes(java.io.DataOutputStream stream)
protected void	serializeAttributes(java.nio.ByteBuffer byteBuffer)

Methods inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode

cloneWithChildren, getPlanNodeId, serialize, serialize, serializeToByteBuffer, setPlanNodeId

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjectNode

public ProjectNode(PlanNodeId id,
                   java.util.List<java.lang.String> outputColumnNames)

ProjectNode

public ProjectNode(PlanNodeId id,
                   PlanNode child,
                   java.util.List<java.lang.String> outputColumnNames)

Method Detail

getChildren

public java.util.List<PlanNode> getChildren()

Specified by:

getChildren in class PlanNode

addChild

public void addChild(PlanNode child)

Specified by:

addChild in class PlanNode

allowedChildCount

public int allowedChildCount()

Specified by:

allowedChildCount in class PlanNode

clone

public PlanNode clone()

Specified by:

clone in class PlanNode

getOutputColumnNames

public java.util.List<java.lang.String> getOutputColumnNames()

Specified by:

getOutputColumnNames in class PlanNode

accept

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

Overrides:

accept in class PlanNode

serializeAttributes

protected void serializeAttributes(java.nio.ByteBuffer byteBuffer)

Specified by:

serializeAttributes in class PlanNode

serializeAttributes

protected void serializeAttributes(java.io.DataOutputStream stream)
                            throws java.io.IOException

Specified by:

serializeAttributes in class PlanNode

Throws:

java.io.IOException

deserialize

public static ProjectNode deserialize(java.nio.ByteBuffer byteBuffer)

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class PlanNode

hashCode

public int hashCode()

Overrides:

hashCode in class PlanNode