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

Class SchemaQueryScanNode

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.metedata.read.SchemaQueryScanNode

All Implemented Interfaces:

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

Direct Known Subclasses:

DevicesCountNode, DevicesSchemaScanNode, LevelTimeSeriesCountNode, NodePathsSchemaScanNode, PathsUsingTemplateScanNode, TimeSeriesCountNode, TimeSeriesSchemaScanNode

public abstract class SchemaQueryScanNode
extends SourceNode

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	isPrefixPath
protected int	limit
protected int	offset
protected org.apache.iotdb.commons.path.PartialPath	path

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

Modifier	Constructor	Description
protected	SchemaQueryScanNode(PlanNodeId id)
protected	SchemaQueryScanNode(PlanNodeId id, org.apache.iotdb.commons.path.PartialPath partialPath, boolean isPrefixPath)
protected	SchemaQueryScanNode(PlanNodeId id, org.apache.iotdb.commons.path.PartialPath partialPath, int limit, int offset, boolean isPrefixPath)

Method Summary

Modifier and Type	Method	Description
<R,C> R	accept(PlanVisitor<R,C> visitor, C context)
void	addChild(PlanNode child)
int	allowedChildCount()
void	close()
boolean	equals(java.lang.Object o)
java.util.List<PlanNode>	getChildren()
int	getLimit()
int	getOffset()
org.apache.iotdb.commons.path.PartialPath	getPath()
org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet	getRegionReplicaSet()
int	hashCode()
boolean	isHasLimit()
boolean	isPrefixPath()
void	open()
void	setHasLimit(boolean hasLimit)
void	setLimit(int limit)
void	setOffset(int offset)
void	setPath(org.apache.iotdb.commons.path.PartialPath path)
void	setRegionReplicaSet(org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet schemaRegionReplicaSet)
java.lang.String	toString()

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

clone, cloneWithChildren, getOutputColumnNames, getPlanNodeId, serialize, serialize, serializeAttributes, serializeAttributes, serializeToByteBuffer, setPlanNodeId

Methods inherited from class java.lang.Object

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

Field Detail

limit

protected int limit

offset

protected int offset

path

protected org.apache.iotdb.commons.path.PartialPath path

isPrefixPath

protected boolean isPrefixPath

Constructor Detail

SchemaQueryScanNode

protected SchemaQueryScanNode(PlanNodeId id)

SchemaQueryScanNode

protected SchemaQueryScanNode(PlanNodeId id,
                              org.apache.iotdb.commons.path.PartialPath partialPath,
                              int limit,
                              int offset,
                              boolean isPrefixPath)

SchemaQueryScanNode

protected SchemaQueryScanNode(PlanNodeId id,
                              org.apache.iotdb.commons.path.PartialPath partialPath,
                              boolean isPrefixPath)

Method Detail

open

public void open()
          throws java.lang.Exception

Specified by:

open in class SourceNode

Throws:

java.lang.Exception

allowedChildCount

public int allowedChildCount()

Specified by:

allowedChildCount in class PlanNode

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

close

public void close()
           throws java.lang.Exception

Throws:

java.lang.Exception

isPrefixPath

public boolean isPrefixPath()

getLimit

public int getLimit()

setLimit

public void setLimit(int limit)

getRegionReplicaSet

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

setRegionReplicaSet

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

Specified by:

setRegionReplicaSet in class SourceNode

getOffset

public int getOffset()

setOffset

public void setOffset(int offset)

getPath

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

setPath

public void setPath(org.apache.iotdb.commons.path.PartialPath path)

isHasLimit

public boolean isHasLimit()

setHasLimit

public void setHasLimit(boolean hasLimit)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

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