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

Class MinAggFunction.StringMinAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.DeclarativeAggregateFunction

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

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

All Implemented Interfaces:

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

Enclosing class:

MinAggFunction

public static class MinAggFunction.StringMinAggFunction
extends MinAggFunction

Built-in String Min aggregate function.

See Also:

• Serialized Form

Nested Class Summary

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

MinAggFunction.BooleanMinAggFunction, MinAggFunction.ByteMinAggFunction, MinAggFunction.DateMinAggFunction, MinAggFunction.DecimalMinAggFunction, MinAggFunction.DoubleMinAggFunction, MinAggFunction.FloatMinAggFunction, MinAggFunction.IntMinAggFunction, MinAggFunction.LongMinAggFunction, MinAggFunction.ShortMinAggFunction, MinAggFunction.StringMinAggFunction, MinAggFunction.TimeMinAggFunction, MinAggFunction.TimestampLtzMinAggFunction, MinAggFunction.TimestampMinAggFunction

Constructor Summary

Constructors

Constructor	Description
StringMinAggFunction()

Method Summary

Modifier and Type	Method	Description
org.apache.flink.table.types.DataType	getResultType()

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

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 Details

StringMinAggFunction

public StringMinAggFunction()

Method Details

getResultType

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

Specified by:

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