org.teiid.query.processor.relational

Class SubqueryAwareRelationalNode

java.lang.Object

org.teiid.query.processor.relational.RelationalNode

org.teiid.query.processor.relational.SubqueryAwareRelationalNode

All Implemented Interfaces:

Cloneable, BatchCollector.BatchProducer

Direct Known Subclasses:

AccessNode, ArrayTableNode, BatchedUpdateNode, GroupingNode, JoinNode, ObjectTableNode, PlanExecutionNode, ProjectNode, SaxonXMLTableNode, SelectNode, TextTableNode, WindowFunctionProjectNode

public abstract class SubqueryAwareRelationalNode
extends RelationalNode

Field Summary

Fields inherited from class org.teiid.query.processor.relational.RelationalNode

childCount

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SubqueryAwareRelationalNode()
	SubqueryAwareRelationalNode(int nodeID)

Method Summary

Modifier and Type	Method and Description
void	closeDirect()
protected Evaluator	getEvaluator(Map elementMap)
abstract Collection<? extends LanguageObject>	getObjects()
Boolean	requiresTransaction(boolean transactionalReads)
static Boolean	requiresTransaction(boolean transactionalReads, List<SubqueryContainer<?>> valueIteratorProviders)
void	reset()
protected void	setReferenceValues(TableFunctionReference ref)

Methods inherited from class org.teiid.query.processor.relational.RelationalNode

addBatchRow, addChild, clone, close, copyTo, createLookupMap, getBatchSize, getBuffer, getBufferDirect, getBufferManager, getChildCount, getChildren, getClassName, getConnectionID, getContext, getDataManager, getDescriptionProperties, getElements, getEstimateNodeCardinality, getID, getNodeStatistics, getNodeString, getOutputElements, getParent, getProjectionIndexes, hasBuffer, hasPendingRows, initialize, isBatchFull, isClosed, isLastBatch, nextBatch, nextBatchDirect, nodeToString, open, projectTuple, projectTuple, pullBatch, setContext, setElements, setEstimateDepAccessCardinality, setEstimateDepJoinCost, setEstimateJoinCost, setEstimateNodeCardinality, setEstimateNodeSetSize, setID, setParent, terminateBatches, toString, unwrapException

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SubqueryAwareRelationalNode

protected SubqueryAwareRelationalNode()

SubqueryAwareRelationalNode

public SubqueryAwareRelationalNode(int nodeID)

Method Detail

getEvaluator

protected Evaluator getEvaluator(Map elementMap)

reset

public void reset()

Overrides:

reset in class RelationalNode

closeDirect

public void closeDirect()

Overrides:

closeDirect in class RelationalNode

setReferenceValues

protected void setReferenceValues(TableFunctionReference ref)
                           throws ExpressionEvaluationException,
                                  BlockedException,
                                  TeiidComponentException

Throws:

ExpressionEvaluationException

BlockedException

TeiidComponentException

getObjects

public abstract Collection<? extends LanguageObject> getObjects()

requiresTransaction

public Boolean requiresTransaction(boolean transactionalReads)

Overrides:

requiresTransaction in class RelationalNode

Returns:

true if required, false if not required, and null if a single source command is issued and a transaction may be needed.

requiresTransaction

public static Boolean requiresTransaction(boolean transactionalReads,
                                          List<SubqueryContainer<?>> valueIteratorProviders)