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

Class LeadLagAggFunction.TimestampLeadLagAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.DeclarativeAggregateFunction

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

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

All Implemented Interfaces:

Serializable, FunctionDefinition

Enclosing class:

LeadLagAggFunction

public static class LeadLagAggFunction.TimestampLeadLagAggFunction
extends LeadLagAggFunction

TimestampLeadLagAggFunction.

See Also:

Serialized Form

Nested Class Summary

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

LeadLagAggFunction.BooleanLeadLagAggFunction, LeadLagAggFunction.ByteLeadLagAggFunction, LeadLagAggFunction.CharLeadLagAggFunction, LeadLagAggFunction.DateLeadLagAggFunction, LeadLagAggFunction.DecimalLeadLagAggFunction, LeadLagAggFunction.DoubleLeadLagAggFunction, LeadLagAggFunction.FloatLeadLagAggFunction, LeadLagAggFunction.IntLeadLagAggFunction, LeadLagAggFunction.LongLeadLagAggFunction, LeadLagAggFunction.ShortLeadLagAggFunction, LeadLagAggFunction.StringLeadLagAggFunction, LeadLagAggFunction.TimeLeadLagAggFunction, LeadLagAggFunction.TimestampLeadLagAggFunction

Constructor Summary

Constructors

Constructor and Description
TimestampLeadLagAggFunction(int operandCount, 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.LeadLagAggFunction

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

Constructor Detail

TimestampLeadLagAggFunction

public TimestampLeadLagAggFunction(int operandCount,
                                   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