Package org.apache.flink.table.runtime.functions.aggregate

Class PercentileAggFunction.SinglePercentileAggFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.ImperativeAggregateFunction<T,ACC>

org.apache.flink.table.functions.AggregateFunction<T,ACC>

org.apache.flink.table.runtime.functions.aggregate.BuiltInAggregateFunction<T,PercentileAggFunction.PercentileAccumulator>

org.apache.flink.table.runtime.functions.aggregate.PercentileAggFunction<Double>

org.apache.flink.table.runtime.functions.aggregate.PercentileAggFunction.SinglePercentileAggFunction

All Implemented Interfaces:

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

Enclosing class:

PercentileAggFunction<T>

public static class PercentileAggFunction.SinglePercentileAggFunction
extends PercentileAggFunction<Double>

Percentile agg function with only one percentage parameter.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.table.runtime.functions.aggregate.PercentileAggFunction

PercentileAggFunction.MultiPercentileAggFunction, PercentileAggFunction.PercentileAccumulator, PercentileAggFunction.SinglePercentileAggFunction

Field Summary

Fields inherited from class org.apache.flink.table.runtime.functions.aggregate.PercentileAggFunction

frequencyType, valueType

Constructor Summary

Constructors

Constructor	Description
SinglePercentileAggFunction(org.apache.flink.table.types.logical.LogicalType valueType, org.apache.flink.table.types.logical.LogicalType frequencyType)

Method Summary

Modifier and Type	Method	Description
List<org.apache.flink.table.types.DataType>	getArgumentDataTypes()
org.apache.flink.table.types.DataType	getOutputDataType()
Double	getValue(PercentileAggFunction.PercentileAccumulator acc)

Methods inherited from class org.apache.flink.table.runtime.functions.aggregate.PercentileAggFunction

accumulate, accumulate, accumulate, accumulate, createAccumulator, getAccumulatorDataType, merge, retract, retract, retract, retract

Methods inherited from class org.apache.flink.table.runtime.functions.aggregate.BuiltInAggregateFunction

getRequirements, getTypeInference, isDeterministic

Methods inherited from class org.apache.flink.table.functions.AggregateFunction

getKind

Methods inherited from class org.apache.flink.table.functions.ImperativeAggregateFunction

getAccumulatorType, getResultType

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

supportsConstantFolding

Constructor Details

SinglePercentileAggFunction

public SinglePercentileAggFunction(org.apache.flink.table.types.logical.LogicalType valueType,
 org.apache.flink.table.types.logical.LogicalType frequencyType)

Method Details

getArgumentDataTypes

public List<org.apache.flink.table.types.DataType> getArgumentDataTypes()

Overrides:

getArgumentDataTypes in class BuiltInAggregateFunction<Double,PercentileAggFunction.PercentileAccumulator>

getOutputDataType

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

Overrides:

getOutputDataType in class BuiltInAggregateFunction<Double,PercentileAggFunction.PercentileAccumulator>

getValue

public Double getValue(PercentileAggFunction.PercentileAccumulator acc)

Specified by:

getValue in class org.apache.flink.table.functions.AggregateFunction<Double,PercentileAggFunction.PercentileAccumulator>