io.prestosql.operator.aggregation

Class InternalAggregationFunction

java.lang.Object

io.prestosql.operator.aggregation.InternalAggregationFunction

public final class InternalAggregationFunction
extends Object

Constructor Summary

Constructors

Constructor and Description
InternalAggregationFunction(String name, List<Type> parameterTypes, List<Type> intermediateType, Type finalType, boolean decomposable, boolean orderSensitive, AccumulatorFactoryBinder factory)
InternalAggregationFunction(String name, List<Type> parameterTypes, List<Type> intermediateType, Type finalType, boolean decomposable, boolean orderSensitive, AccumulatorFactoryBinder factory, List<Class> lambdaInterfaces)

Method Summary

Modifier and Type	Method and Description
AccumulatorFactory	bind(List<Integer> inputChannels, Optional<Integer> maskChannel)
AccumulatorFactory	bind(List<Integer> inputChannels, Optional<Integer> maskChannel, List<Type> sourceTypes, List<Integer> orderByChannels, List<SortOrder> orderings, PagesIndex.Factory pagesIndexFactory, boolean distinct, JoinCompiler joinCompiler, List<LambdaProvider> lambdaProviders, Session session)
AccumulatorFactoryBinder	getAccumulatorFactoryBinder()
Type	getFinalType()
Type	getIntermediateType()
List<Class>	getLambdaInterfaces()
List<Type>	getParameterTypes()
boolean	isDecomposable() Indicates that the aggregation can be decomposed, and run as partial aggregations followed by a final aggregation to combine the intermediate results
boolean	isOrderSensitive() Indicates that the aggregation is sensitive to input order
String	name()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InternalAggregationFunction

public InternalAggregationFunction(String name,
                                   List<Type> parameterTypes,
                                   List<Type> intermediateType,
                                   Type finalType,
                                   boolean decomposable,
                                   boolean orderSensitive,
                                   AccumulatorFactoryBinder factory)

InternalAggregationFunction

public InternalAggregationFunction(String name,
                                   List<Type> parameterTypes,
                                   List<Type> intermediateType,
                                   Type finalType,
                                   boolean decomposable,
                                   boolean orderSensitive,
                                   AccumulatorFactoryBinder factory,
                                   List<Class> lambdaInterfaces)

Method Detail

name

public String name()

getParameterTypes

public List<Type> getParameterTypes()

getFinalType

public Type getFinalType()

getIntermediateType

public Type getIntermediateType()

getLambdaInterfaces

public List<Class> getLambdaInterfaces()

isDecomposable

public boolean isDecomposable()

Indicates that the aggregation can be decomposed, and run as partial aggregations followed by a final aggregation to combine the intermediate results

isOrderSensitive

public boolean isOrderSensitive()

Indicates that the aggregation is sensitive to input order

bind

public AccumulatorFactory bind(List<Integer> inputChannels,
                               Optional<Integer> maskChannel)

bind

public AccumulatorFactory bind(List<Integer> inputChannels,
                               Optional<Integer> maskChannel,
                               List<Type> sourceTypes,
                               List<Integer> orderByChannels,
                               List<SortOrder> orderings,
                               PagesIndex.Factory pagesIndexFactory,
                               boolean distinct,
                               JoinCompiler joinCompiler,
                               List<LambdaProvider> lambdaProviders,
                               Session session)

getAccumulatorFactoryBinder

public AccumulatorFactoryBinder getAccumulatorFactoryBinder()