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

Class LastQueryScanNode

java.lang.Object

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

org.apache.iotdb.db.mpp.plan.planner.plan.node.source.SourceNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.source.SeriesSourceNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.source.LastQueryScanNode

All Implemented Interfaces:

java.lang.AutoCloseable, org.apache.iotdb.consensus.common.request.IConsensusRequest, IPartitionRelatedNode

public class LastQueryScanNode
extends SeriesSourceNode

Field Summary

Fields

Modifier and Type	Field	Description
static java.util.List<java.lang.String>	LAST_QUERY_HEADER_COLUMNS

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
LastQueryScanNode(PlanNodeId id, MeasurementPath seriesPath)
LastQueryScanNode(PlanNodeId id, MeasurementPath seriesPath, org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet regionReplicaSet)

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()
void	close()
static LastQueryScanNode	deserialize(java.nio.ByteBuffer byteBuffer)
boolean	equals(java.lang.Object o)
java.util.List<PlanNode>	getChildren()
java.util.List<java.lang.String>	getOutputColumnNames()
org.apache.iotdb.commons.path.PartialPath	getPartitionPath()
org.apache.iotdb.tsfile.read.filter.basic.Filter	getPartitionTimeFilter()
org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet	getRegionReplicaSet()
MeasurementPath	getSeriesPath()
int	hashCode()
void	open()
protected void	serializeAttributes(java.io.DataOutputStream stream)
protected void	serializeAttributes(java.nio.ByteBuffer byteBuffer)
void	setRegionReplicaSet(org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet regionReplicaSet)
java.lang.String	toString()

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, wait, wait, wait

Field Detail

LAST_QUERY_HEADER_COLUMNS

public static final java.util.List<java.lang.String> LAST_QUERY_HEADER_COLUMNS

Constructor Detail

LastQueryScanNode

public LastQueryScanNode(PlanNodeId id,
                         MeasurementPath seriesPath)

LastQueryScanNode

public LastQueryScanNode(PlanNodeId id,
                         MeasurementPath seriesPath,
                         org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet regionReplicaSet)

Method Detail

open

public void open()
          throws java.lang.Exception

Specified by:

open in class SourceNode

Throws:

java.lang.Exception

getRegionReplicaSet

public org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet getRegionReplicaSet()

setRegionReplicaSet

public void setRegionReplicaSet(org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet regionReplicaSet)

Specified by:

setRegionReplicaSet in class SourceNode

getSeriesPath

public MeasurementPath getSeriesPath()

close

public void close()
           throws java.lang.Exception

Throws:

java.lang.Exception

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

clone

public PlanNode clone()

Specified by:

clone 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

accept

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

Overrides:

accept in class PlanNode

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class PlanNode

hashCode

public int hashCode()

Overrides:

hashCode in class PlanNode

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

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 LastQueryScanNode deserialize(java.nio.ByteBuffer byteBuffer)

getPartitionPath

public org.apache.iotdb.commons.path.PartialPath getPartitionPath()

Specified by:

getPartitionPath in class SeriesSourceNode

getPartitionTimeFilter

public org.apache.iotdb.tsfile.read.filter.basic.Filter getPartitionTimeFilter()

Specified by:

getPartitionTimeFilter in class SeriesSourceNode