Class DupRemoveNode
- java.lang.Object
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- org.teiid.query.processor.relational.RelationalNode
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- org.teiid.query.processor.relational.DupRemoveNode
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- All Implemented Interfaces:
Cloneable
,BatchCollector.BatchProducer
public class DupRemoveNode extends RelationalNode
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Field Summary
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Fields inherited from class org.teiid.query.processor.relational.RelationalNode
childCount
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Constructor Summary
Constructors Constructor Description DupRemoveNode(int nodeID)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Object
clone()
All the implementation of Cloneable interface need to implement clone() method.void
closeDirect()
TupleBatch
nextBatchDirect()
Template method for subclasses to implement.void
open()
void
reset()
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Methods inherited from class org.teiid.query.processor.relational.RelationalNode
addBatchRow, addChild, 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, nodeToString, projectTuple, projectTuple, pullBatch, requiresTransaction, setContext, setElements, setEstimateDepAccessCardinality, setEstimateDepJoinCost, setEstimateJoinCost, setEstimateNodeCardinality, setEstimateNodeSetSize, setID, setParent, terminateBatches, toString, unwrapException
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Method Detail
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reset
public void reset()
- Overrides:
reset
in classRelationalNode
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open
public void open() throws TeiidComponentException, TeiidProcessingException
- Overrides:
open
in classRelationalNode
- Throws:
TeiidComponentException
TeiidProcessingException
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nextBatchDirect
public TupleBatch nextBatchDirect() throws BlockedException, TeiidComponentException, TeiidProcessingException
Description copied from class:RelationalNode
Template method for subclasses to implement.- Specified by:
nextBatchDirect
in classRelationalNode
- Returns:
- Throws:
BlockedException
TeiidComponentException
TeiidProcessingException
- if exception related to user input occured
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closeDirect
public void closeDirect()
- Overrides:
closeDirect
in classRelationalNode
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clone
public Object clone()
Description copied from class:RelationalNode
All the implementation of Cloneable interface need to implement clone() method. The plan is only clonable in the pre-execution stage, not the execution state (things like program state, result sets, etc). It's only safe to call that method in between query processings, in other words, it's only safe to call clone() on a plan after nextTuple() returns null, meaning the plan has finished processing.- Specified by:
clone
in classRelationalNode
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