Package io.trino.operator.aggregation

Interface AccumulatorFactory

All Known Implementing Classes:

CompiledAccumulatorFactory, DistinctAccumulatorFactory, OrderedAccumulatorFactory

public interface AccumulatorFactory

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()

Method Details

getLambdaInterfaces

List<Class<?>> getLambdaInterfaces()

createAccumulator

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

createIntermediateAccumulator

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

createGroupedAccumulator

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

createGroupedIntermediateAccumulator

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

createAggregationMaskBuilder

AggregationMaskBuilder createAggregationMaskBuilder()