public static class GenericUDAFStd.GenericUDAFStdEvaluator extends GenericUDAFVariance.GenericUDAFVarianceEvaluator
GenericUDAFEvaluator.AbstractAggregationBuffer, GenericUDAFEvaluator.AggregationBuffer, GenericUDAFEvaluator.AggregationType, GenericUDAFEvaluator.Mode
partitionEvaluator
Constructor and Description |
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GenericUDAFStdEvaluator() |
Modifier and Type | Method and Description |
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static double |
calculateStdResult(double variance,
long count) |
Object |
terminate(GenericUDAFEvaluator.AggregationBuffer agg)
Get final aggregation result.
|
calculateVarianceResult, getNewAggregationBuffer, getResult, init, iterate, merge, reset, setResult, terminatePartial
aggregate, close, configure, createPartitionEvaluator, estimate, evaluate, getExprString, getPartitionWindowingEvaluator, getWindowingEvaluator, isEstimable
public static double calculateStdResult(double variance, long count)
public Object terminate(GenericUDAFEvaluator.AggregationBuffer agg) throws HiveException
GenericUDAFEvaluator
terminate
in class GenericUDAFVariance.GenericUDAFVarianceEvaluator
HiveException
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