Package io.trino.operator.aggregation

Class DistinctAccumulatorFactory

java.lang.Object

io.trino.operator.aggregation.DistinctAccumulatorFactory

All Implemented Interfaces:

AccumulatorFactory

public class DistinctAccumulatorFactory
extends Object
implements AccumulatorFactory

Constructor Summary

Constructors

Constructor	Description
DistinctAccumulatorFactory(AccumulatorFactory delegate, List<Type> argumentTypes, JoinCompiler joinCompiler, Session session)

Method Summary

Modifier and Type	Method	Description
Accumulator	createAccumulator(List<Supplier<Object>> lambdaProviders)
AggregationMaskBuilder	createAggregationMaskBuilder()
GroupedAccumulator	createGroupedAccumulator(List<Supplier<Object>> lambdaProviders)
GroupedAccumulator	createGroupedIntermediateAccumulator(List<Supplier<Object>> lambdaProviders)
Accumulator	createIntermediateAccumulator(List<Supplier<Object>> lambdaProviders)
List<Class<?>>	getLambdaInterfaces()

Methods inherited from class java.lang.Object

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

Constructor Details

DistinctAccumulatorFactory

public DistinctAccumulatorFactory(AccumulatorFactory delegate,
 List<Type> argumentTypes,
 JoinCompiler joinCompiler,
 Session session)

Method Details

getLambdaInterfaces

public List<Class<?>> getLambdaInterfaces()

Specified by:

getLambdaInterfaces in interface AccumulatorFactory

createAccumulator

public Accumulator createAccumulator(List<Supplier<Object>> lambdaProviders)

Specified by:

createAccumulator in interface AccumulatorFactory

createIntermediateAccumulator

public Accumulator createIntermediateAccumulator(List<Supplier<Object>> lambdaProviders)

Specified by:

createIntermediateAccumulator in interface AccumulatorFactory

createGroupedAccumulator

public GroupedAccumulator createGroupedAccumulator(List<Supplier<Object>> lambdaProviders)

Specified by:

createGroupedAccumulator in interface AccumulatorFactory

createGroupedIntermediateAccumulator

public GroupedAccumulator createGroupedIntermediateAccumulator(List<Supplier<Object>> lambdaProviders)

Specified by:

createGroupedIntermediateAccumulator in interface AccumulatorFactory

createAggregationMaskBuilder

public AggregationMaskBuilder createAggregationMaskBuilder()

Specified by:

createAggregationMaskBuilder in interface AccumulatorFactory