public static class FirstValueAggFunction.DoubleFirstValueAggFunction extends FirstValueAggFunction<Double>
FirstValueAggFunction.BooleanFirstValueAggFunction, FirstValueAggFunction.ByteFirstValueAggFunction, FirstValueAggFunction.DecimalFirstValueAggFunction, FirstValueAggFunction.DoubleFirstValueAggFunction, FirstValueAggFunction.FloatFirstValueAggFunction, FirstValueAggFunction.IntFirstValueAggFunction, FirstValueAggFunction.LongFirstValueAggFunction, FirstValueAggFunction.ShortFirstValueAggFunction, FirstValueAggFunction.StringFirstValueAggFunction
Constructor and Description |
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DoubleFirstValueAggFunction() |
Modifier and Type | Method and Description |
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TypeInformation<Double> |
getResultType()
Returns the
TypeInformation of the UserDefinedAggregateFunction 's result. |
accumulate, accumulate, createAccumulator, getAccumulatorType, getValue, isDeterministic, resetAccumulator
getKind, getRequirements, getTypeInference, requiresOver
close, functionIdentifier, open, toString
public TypeInformation<Double> getResultType()
UserDefinedAggregateFunction
TypeInformation
of the UserDefinedAggregateFunction
's result.getResultType
in class UserDefinedAggregateFunction<Double,GenericRowData>
TypeInformation
of the UserDefinedAggregateFunction
's result or
null
if the result type should be automatically inferred.Copyright © 2014–2021 The Apache Software Foundation. All rights reserved.