org.apache.hadoop.hive.ql.exec.vector.ptf

Class VectorPTFEvaluatorLongSum

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorBase

org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorAbstractSum<Long>

org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorLongSum

public class VectorPTFEvaluatorLongSum
extends VectorPTFEvaluatorAbstractSum<Long>

This class evaluates long sum() for a PTF group.

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorAbstractSum

isGroupResultNull, previousRange, previousSum, sum

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorBase

inputColumnNum, LOG, outputColumnNum

Constructor Summary

Constructors

Constructor and Description
VectorPTFEvaluatorLongSum(WindowFrameDef windowFrameDef, VectorExpression inputVecExpr, int outputColumnNum)

Method Summary

Modifier and Type	Method and Description
protected Long	computeValue(Long number)
void	evaluateGroupBatch(VectorizedRowBatch batch)
ColumnVector.Type	getResultColumnVectorType()
protected Long	minus(Long number1, Long number2)
protected Long	plus(Long number1, Long number2)
void	resetEvaluator()

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorAbstractSum

canRunOptimizedCalculation, getGroupResult, isGroupResultNull, onPartitionEnd, onResultCalculated, runOnRange, streamsResult

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.ptf.VectorPTFEvaluatorBase

doLastBatchWork, evaluateInputExpr, getNullsLast, getOutputColumnNum, isCacheableForRange, mapCustomColumns, setNullsLast

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorPTFEvaluatorLongSum

public VectorPTFEvaluatorLongSum(WindowFrameDef windowFrameDef,
                                 VectorExpression inputVecExpr,
                                 int outputColumnNum)

Method Detail

evaluateGroupBatch

public void evaluateGroupBatch(VectorizedRowBatch batch)
                        throws HiveException

Specified by:

evaluateGroupBatch in class VectorPTFEvaluatorBase

Throws:

HiveException

getResultColumnVectorType

public ColumnVector.Type getResultColumnVectorType()

Specified by:

getResultColumnVectorType in class VectorPTFEvaluatorBase

plus

protected Long plus(Long number1,
                    Long number2)

Specified by:

plus in class VectorPTFEvaluatorAbstractSum<Long>

minus

protected Long minus(Long number1,
                     Long number2)

Specified by:

minus in class VectorPTFEvaluatorAbstractSum<Long>

computeValue

protected Long computeValue(Long number)

Specified by:

computeValue in class VectorPTFEvaluatorAbstractSum<Long>

resetEvaluator

public void resetEvaluator()

Specified by:

resetEvaluator in class VectorPTFEvaluatorBase