Class GenericAccumulatorFactory
- java.lang.Object
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- io.prestosql.operator.aggregation.GenericAccumulatorFactory
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- All Implemented Interfaces:
AccumulatorFactory
public class GenericAccumulatorFactory extends Object implements AccumulatorFactory
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Constructor Summary
Constructors Constructor Description GenericAccumulatorFactory(List<AggregationMetadata.AccumulatorStateDescriptor> stateDescriptors, Constructor<? extends Accumulator> accumulatorConstructor, boolean accumulatorHasRemoveInput, Constructor<? extends GroupedAccumulator> groupedAccumulatorConstructor, List<LambdaProvider> lambdaProviders, List<Integer> inputChannels, Optional<Integer> maskChannel, List<Type> sourceTypes, List<Integer> orderByChannels, List<SortOrder> orderings, PagesIndex.Factory pagesIndexFactory, JoinCompiler joinCompiler, BlockTypeOperators blockTypeOperators, Session session, boolean distinct)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Accumulator
createAccumulator()
GroupedAccumulator
createGroupedAccumulator()
GroupedAccumulator
createGroupedIntermediateAccumulator()
Accumulator
createIntermediateAccumulator()
List<Integer>
getInputChannels()
boolean
hasDistinct()
boolean
hasOrderBy()
boolean
hasRemoveInput()
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Constructor Detail
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GenericAccumulatorFactory
public GenericAccumulatorFactory(List<AggregationMetadata.AccumulatorStateDescriptor> stateDescriptors, Constructor<? extends Accumulator> accumulatorConstructor, boolean accumulatorHasRemoveInput, Constructor<? extends GroupedAccumulator> groupedAccumulatorConstructor, List<LambdaProvider> lambdaProviders, List<Integer> inputChannels, Optional<Integer> maskChannel, List<Type> sourceTypes, List<Integer> orderByChannels, List<SortOrder> orderings, PagesIndex.Factory pagesIndexFactory, @Nullable JoinCompiler joinCompiler, @Nullable BlockTypeOperators blockTypeOperators, @Nullable Session session, boolean distinct)
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Method Detail
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getInputChannels
public List<Integer> getInputChannels()
- Specified by:
getInputChannels
in interfaceAccumulatorFactory
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hasRemoveInput
public boolean hasRemoveInput()
- Specified by:
hasRemoveInput
in interfaceAccumulatorFactory
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createAccumulator
public Accumulator createAccumulator()
- Specified by:
createAccumulator
in interfaceAccumulatorFactory
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createIntermediateAccumulator
public Accumulator createIntermediateAccumulator()
- Specified by:
createIntermediateAccumulator
in interfaceAccumulatorFactory
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createGroupedAccumulator
public GroupedAccumulator createGroupedAccumulator()
- Specified by:
createGroupedAccumulator
in interfaceAccumulatorFactory
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createGroupedIntermediateAccumulator
public GroupedAccumulator createGroupedIntermediateAccumulator()
- Specified by:
createGroupedIntermediateAccumulator
in interfaceAccumulatorFactory
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hasOrderBy
public boolean hasOrderBy()
- Specified by:
hasOrderBy
in interfaceAccumulatorFactory
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hasDistinct
public boolean hasDistinct()
- Specified by:
hasDistinct
in interfaceAccumulatorFactory
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