org.apache.hadoop.hive.ql.udf.generic

Class GenericUDAFSumEmptyIsZero.SumDoubleZeroIfEmpty

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFSum.GenericUDAFSumEvaluator<DoubleWritable>

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFSum.GenericUDAFSumDouble

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFSumEmptyIsZero.SumDoubleZeroIfEmpty

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

GenericUDAFSumEmptyIsZero

public static class GenericUDAFSumEmptyIsZero.SumDoubleZeroIfEmpty
extends GenericUDAFSum.GenericUDAFSumDouble

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

GenericUDAFEvaluator.AbstractAggregationBuffer, GenericUDAFEvaluator.AggregationBuffer, GenericUDAFEvaluator.AggregationType, GenericUDAFEvaluator.Mode

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFSum.GenericUDAFSumEvaluator

inputOI, isWindowing, outputOI, result, sumDistinct

Fields inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

partitionEvaluator

Constructor Summary

Constructors

Constructor and Description
SumDoubleZeroIfEmpty()

Method Summary

Modifier and Type	Method and Description
Object	terminate(GenericUDAFEvaluator.AggregationBuffer agg) Get final aggregation result.

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFSum.GenericUDAFSumDouble

createPartitionEvaluator, getNewAggregationBuffer, getWindowingEvaluator, init, iterate, merge, reset

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFSum.GenericUDAFSumEvaluator

isEligibleValue, isWindowingDistinct, setSumDistinct, setWindowing, terminatePartial

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator

aggregate, close, configure, estimate, evaluate, getExprString, getPartitionWindowingEvaluator, isEstimable

Methods inherited from class java.lang.Object

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

Constructor Detail

SumDoubleZeroIfEmpty

public SumDoubleZeroIfEmpty()

Method Detail

terminate

public Object terminate(GenericUDAFEvaluator.AggregationBuffer agg)
                 throws HiveException

Description copied from class: GenericUDAFEvaluator

Get final aggregation result.

Overrides:

terminate in class GenericUDAFSum.GenericUDAFSumDouble

Returns:

final aggregation result.

Throws:

HiveException