Package org.apache.flink.table.planner.functions.aggfunctions

Class SumAggFunction.DoubleSumAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.DeclarativeAggregateFunction

org.apache.flink.table.planner.functions.aggfunctions.SumAggFunction

org.apache.flink.table.planner.functions.aggfunctions.SumAggFunction.DoubleSumAggFunction

All Implemented Interfaces:

Serializable, FunctionDefinition

Enclosing class:

SumAggFunction

public static class SumAggFunction.DoubleSumAggFunction
extends SumAggFunction

Built-in Double Sum aggregate function.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.table.planner.functions.aggfunctions.SumAggFunction

SumAggFunction.ByteSumAggFunction, SumAggFunction.DecimalSumAggFunction, SumAggFunction.DoubleSumAggFunction, SumAggFunction.FloatSumAggFunction, SumAggFunction.IntSumAggFunction, SumAggFunction.LongSumAggFunction, SumAggFunction.ShortSumAggFunction

Constructor Summary

Constructors

Constructor	Description
DoubleSumAggFunction()

Method Summary

Modifier and Type	Method	Description
DataType	getResultType()	The result type of the function.

Methods inherited from class org.apache.flink.table.planner.functions.aggfunctions.SumAggFunction

accumulateExpressions, adjustedPlus, aggBufferAttributes, getAggBufferTypes, getValueExpression, initialValuesExpressions, mergeExpressions, operandCount, retractExpressions

Methods inherited from class org.apache.flink.table.functions.DeclarativeAggregateFunction

getKind, getTypeInference, mergeOperand, mergeOperands, operand, operands

Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction

close, functionIdentifier, open, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.functions.FunctionDefinition

getRequirements, isDeterministic, supportsConstantFolding

Constructor Detail

DoubleSumAggFunction

public DoubleSumAggFunction()

Method Detail

getResultType

public DataType getResultType()

Description copied from class: DeclarativeAggregateFunction

The result type of the function.

Specified by:

getResultType in class DeclarativeAggregateFunction