Package org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read

Class AbstractSchemaMergeNode

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.metedata.read.AbstractSchemaMergeNode

All Implemented Interfaces:

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

Direct Known Subclasses:

CountSchemaMergeNode, SchemaFetchMergeNode, SchemaQueryMergeNode

public abstract class AbstractSchemaMergeNode
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
AbstractSchemaMergeNode(PlanNodeId id)

Method Summary

Modifier and Type	Method	Description
void	addChild(PlanNode child)
int	allowedChildCount()
java.util.List<PlanNode>	getChildren()
java.util.List<java.lang.String>	getOutputColumnNames()

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

accept, clone, cloneWithChildren, equals, getPlanNodeId, hashCode, serialize, serialize, serializeAttributes, serializeAttributes, serializeToByteBuffer, setPlanNodeId

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSchemaMergeNode

public AbstractSchemaMergeNode(PlanNodeId id)

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

getOutputColumnNames

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

Specified by:

getOutputColumnNames in class PlanNode