org.apache.hadoop.hive.ql.plan

Class VectorGroupByDesc

java.lang.Object

org.apache.hadoop.hive.ql.plan.AbstractVectorDesc

org.apache.hadoop.hive.ql.plan.VectorGroupByDesc

All Implemented Interfaces:

Serializable, Cloneable, VectorDesc

public class VectorGroupByDesc
extends AbstractVectorDesc

VectorGroupByDesc. Extra parameters beyond GroupByDesc just for the VectorGroupByOperator. We don't extend GroupByDesc because the base OperatorDesc doesn't support clone and adding it is a lot work for little gain.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VectorGroupByDesc.ProcessingMode GLOBAL No key.

Constructor Summary

Constructors

Constructor and Description
VectorGroupByDesc()

Method Summary

Modifier and Type	Method and Description
boolean	getIsVectorizationComplexTypesEnabled()
boolean	getIsVectorizationGroupByComplexTypesEnabled()
VectorExpression[]	getKeyExpressions()
VectorGroupByDesc.ProcessingMode	getProcessingMode()
int[]	getProjectedOutputColumns()
VectorAggregationDesc[]	getVecAggrDescs()
static VectorGroupByDesc.ProcessingMode	groupByDescModeToVectorProcessingMode(GroupByDesc.Mode mode, boolean hasKeys) Which ProcessingMode for VectorGroupByOperator? Decides using GroupByDesc.Mode and whether there are keys.
void	setIsVectorizationComplexTypesEnabled(boolean isVectorizationComplexTypesEnabled)
void	setIsVectorizationGroupByComplexTypesEnabled(boolean isVectorizationGroupByComplexTypesEnabled)
void	setKeyExpressions(VectorExpression[] keyExpressions)
void	setProcessingMode(VectorGroupByDesc.ProcessingMode processingMode)
void	setProjectedOutputColumns(int[] projectedOutputColumns)
void	setVecAggrDescs(VectorAggregationDesc[] vecAggrDescs)

Methods inherited from class org.apache.hadoop.hive.ql.plan.AbstractVectorDesc

clone, getVectorOpClass, setVectorOp

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorGroupByDesc

public VectorGroupByDesc()

Method Detail

setProcessingMode

public void setProcessingMode(VectorGroupByDesc.ProcessingMode processingMode)

getProcessingMode

public VectorGroupByDesc.ProcessingMode getProcessingMode()

setKeyExpressions

public void setKeyExpressions(VectorExpression[] keyExpressions)

getKeyExpressions

public VectorExpression[] getKeyExpressions()

setVecAggrDescs

public void setVecAggrDescs(VectorAggregationDesc[] vecAggrDescs)

getVecAggrDescs

public VectorAggregationDesc[] getVecAggrDescs()

setProjectedOutputColumns

public void setProjectedOutputColumns(int[] projectedOutputColumns)

getProjectedOutputColumns

public int[] getProjectedOutputColumns()

setIsVectorizationComplexTypesEnabled

public void setIsVectorizationComplexTypesEnabled(boolean isVectorizationComplexTypesEnabled)

getIsVectorizationComplexTypesEnabled

public boolean getIsVectorizationComplexTypesEnabled()

setIsVectorizationGroupByComplexTypesEnabled

public void setIsVectorizationGroupByComplexTypesEnabled(boolean isVectorizationGroupByComplexTypesEnabled)

getIsVectorizationGroupByComplexTypesEnabled

public boolean getIsVectorizationGroupByComplexTypesEnabled()

groupByDescModeToVectorProcessingMode

public static VectorGroupByDesc.ProcessingMode groupByDescModeToVectorProcessingMode(GroupByDesc.Mode mode,
                                                                                     boolean hasKeys)

Which ProcessingMode for VectorGroupByOperator? Decides using GroupByDesc.Mode and whether there are keys. Mode.COMPLETE --> (numKeys == 0 ? ProcessingMode.GLOBAL : ProcessingMode.STREAMING) Mode.HASH --> ProcessingMode.HASH Mode.MERGEPARTIAL --> (numKeys == 0 ? ProcessingMode.GLOBAL : ProcessingMode.MERGE_PARTIAL) Mode.PARTIAL1, Mode.PARTIAL2, Mode.PARTIALS, Mode.FINAL --> ProcessingMode.STREAMING