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

Class VectorPTFEvaluatorStreamingDecimalMax

java.lang.Object

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

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

public class VectorPTFEvaluatorStreamingDecimalMax
extends VectorPTFEvaluatorBase

This class evaluates HiveDecimal max() for a PTF group.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isNull
protected HiveDecimalWritable	max

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

inputColumnNum, LOG, outputColumnNum

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	evaluateGroupBatch(VectorizedRowBatch batch)
ColumnVector.Type	getResultColumnVectorType()
void	resetEvaluator()
boolean	streamsResult()

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

canRunOptimizedCalculation, doLastBatchWork, evaluateInputExpr, getGroupResult, getNullsLast, getOutputColumnNum, isCacheableForRange, isGroupResultNull, mapCustomColumns, onPartitionEnd, onResultCalculated, runOnRange, setNullsLast

Methods inherited from class java.lang.Object

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

Field Detail

isNull

protected boolean isNull

max

protected HiveDecimalWritable max

Constructor Detail

VectorPTFEvaluatorStreamingDecimalMax

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

Method Detail

evaluateGroupBatch

public void evaluateGroupBatch(VectorizedRowBatch batch)
                        throws HiveException

Specified by:

evaluateGroupBatch in class VectorPTFEvaluatorBase

Throws:

HiveException

streamsResult

public boolean streamsResult()

Specified by:

streamsResult in class VectorPTFEvaluatorBase

getResultColumnVectorType

public ColumnVector.Type getResultColumnVectorType()

Specified by:

getResultColumnVectorType in class VectorPTFEvaluatorBase

resetEvaluator

public void resetEvaluator()

Specified by:

resetEvaluator in class VectorPTFEvaluatorBase