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

Class MaxAggFunction.TimestampMaxAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.DeclarativeAggregateFunction

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

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

All Implemented Interfaces:

Serializable, FunctionDefinition

Enclosing class:

MaxAggFunction

public static class MaxAggFunction.TimestampMaxAggFunction
extends MaxAggFunction

Built-in Timestamp Max aggregate function.

See Also:

Serialized Form

Nested Class Summary

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

MaxAggFunction.BooleanMaxAggFunction, MaxAggFunction.ByteMaxAggFunction, MaxAggFunction.DateMaxAggFunction, MaxAggFunction.DecimalMaxAggFunction, MaxAggFunction.DoubleMaxAggFunction, MaxAggFunction.FloatMaxAggFunction, MaxAggFunction.IntMaxAggFunction, MaxAggFunction.LongMaxAggFunction, MaxAggFunction.ShortMaxAggFunction, MaxAggFunction.StringMaxAggFunction, MaxAggFunction.TimeMaxAggFunction, MaxAggFunction.TimestampLtzMaxAggFunction, MaxAggFunction.TimestampMaxAggFunction

Constructor Summary

Constructors

Constructor and Description
TimestampMaxAggFunction(TimestampType type)

Method Summary

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

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

accumulateExpressions, 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

TimestampMaxAggFunction

public TimestampMaxAggFunction(TimestampType type)

Method Detail

getResultType

public DataType getResultType()

Description copied from class: DeclarativeAggregateFunction

The result type of the function.

Specified by:

getResultType in class DeclarativeAggregateFunction