public abstract class Sum0AggFunction<T> extends SumAggFunction<T>
Constructor and Description |
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Sum0AggFunction(scala.math.Numeric<T> evidence$1) |
Modifier and Type | Method and Description |
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T |
getValue(SumAccumulator<T> acc)
Called every time when an aggregation result should be materialized.
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accumulate, createAccumulator, getAccumulatorType, getValueTypeInfo, merge, resetAccumulator
requiresOver
close, functionIdentifier, open
public Sum0AggFunction(scala.math.Numeric<T> evidence$1)
public T getValue(SumAccumulator<T> acc)
AggregateFunction
getValue
in class SumAggFunction<T>
acc
- the accumulator which contains the current
aggregated resultsCopyright © 2014–2018 The Apache Software Foundation. All rights reserved.