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

Class AvgAggFunction.DecimalAvgAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.DeclarativeAggregateFunction

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

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

All Implemented Interfaces:

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

Enclosing class:

AvgAggFunction

public static class AvgAggFunction.DecimalAvgAggFunction
extends AvgAggFunction

Built-in Decimal Avg aggregate function.

See Also:

Serialized Form

Nested Class Summary

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

AvgAggFunction.ByteAvgAggFunction, AvgAggFunction.DecimalAvgAggFunction, AvgAggFunction.DoubleAvgAggFunction, AvgAggFunction.FloatAvgAggFunction, AvgAggFunction.IntAvgAggFunction, AvgAggFunction.LongAvgAggFunction, AvgAggFunction.ShortAvgAggFunction

Constructor Summary

Constructors

Constructor and Description
DecimalAvgAggFunction(org.apache.flink.table.types.logical.DecimalType type)

Method Summary

Modifier and Type	Method and Description
protected org.apache.flink.table.expressions.UnresolvedCallExpression	adjustedMinus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1, org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)
protected org.apache.flink.table.expressions.UnresolvedCallExpression	adjustedPlus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1, org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)
org.apache.flink.table.types.DataType	getResultType()
org.apache.flink.table.types.DataType	getSumType()
org.apache.flink.table.expressions.Expression[]	initialValuesExpressions()

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

accumulateExpressions, aggBufferAttributes, getAggBufferTypes, getValueExpression, 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

Constructor Detail

DecimalAvgAggFunction

public DecimalAvgAggFunction(org.apache.flink.table.types.logical.DecimalType type)

Method Detail

getResultType

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

Specified by:

getResultType in class org.apache.flink.table.functions.DeclarativeAggregateFunction

getSumType

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

Specified by:

getSumType in class AvgAggFunction

initialValuesExpressions

public org.apache.flink.table.expressions.Expression[] initialValuesExpressions()

Overrides:

initialValuesExpressions in class AvgAggFunction

adjustedPlus

protected org.apache.flink.table.expressions.UnresolvedCallExpression adjustedPlus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1,
                                                                                   org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)

Overrides:

adjustedPlus in class AvgAggFunction

adjustedMinus

protected org.apache.flink.table.expressions.UnresolvedCallExpression adjustedMinus(org.apache.flink.table.expressions.UnresolvedReferenceExpression arg1,
                                                                                    org.apache.flink.table.expressions.UnresolvedReferenceExpression arg2)

Overrides:

adjustedMinus in class AvgAggFunction