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

类 SumAggFunction.IntSumAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

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

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

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

所有已实现的接口:

Serializable, org.apache.flink.table.functions.FunctionDefinition

封闭类:

SumAggFunction

public static class SumAggFunction.IntSumAggFunction
extends SumAggFunction

Built-in Int Sum aggregate function.

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.table.planner.functions.aggfunctions.SumAggFunction

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

构造器概要

构造器

构造器和说明
IntSumAggFunction()

方法概要

限定符和类型	方法和说明
org.apache.flink.table.types.DataType	getResultType() The result type of the function.

从类继承的方法 org.apache.flink.table.planner.functions.aggfunctions.SumAggFunction

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

从类继承的方法 org.apache.flink.table.planner.functions.aggfunctions.DeclarativeAggregateFunction

getKind, getTypeInference, mergeOperand, mergeOperands, operand, operands

从类继承的方法 org.apache.flink.table.functions.UserDefinedFunction

close, functionIdentifier, open, toString

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.functions.FunctionDefinition

getRequirements, isDeterministic

构造器详细资料

IntSumAggFunction

public IntSumAggFunction()

方法详细资料

getResultType

public org.apache.flink.table.types.DataType getResultType()

从类复制的说明: DeclarativeAggregateFunction

The result type of the function.

指定者:

getResultType 在类中 DeclarativeAggregateFunction