Package io.trino.operator.aggregation

Class AccumulatorCompiler

java.lang.Object

io.trino.operator.aggregation.AccumulatorCompiler

public final class AccumulatorCompiler
extends Object

Method Summary

Modifier and Type	Method	Description
static AccumulatorFactory	generateAccumulatorFactory(BoundSignature boundSignature, AggregationImplementation implementation, FunctionNullability functionNullability, boolean specializedLoops)
static Function<List<Supplier<Object>>,WindowAccumulator>	generateWindowAccumulatorClass(BoundSignature boundSignature, AggregationImplementation implementation, FunctionNullability functionNullability)

Methods inherited from class java.lang.Object

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

Method Details

generateAccumulatorFactory

public static AccumulatorFactory generateAccumulatorFactory(BoundSignature boundSignature,
 AggregationImplementation implementation,
 FunctionNullability functionNullability,
 boolean specializedLoops)

generateWindowAccumulatorClass

public static Function<List<Supplier<Object>>,WindowAccumulator> generateWindowAccumulatorClass(BoundSignature boundSignature,
 AggregationImplementation implementation,
 FunctionNullability functionNullability)

Returns:

a factory for window accumulators with provided lambda parameter providers