Package io.trino.spi.function
package io.trino.spi.function
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ClassDescriptionAccumulatorStateFactory<T extends AccumulatorState>AccumulatorStateSerializer<T extends AccumulatorState>A function annotated with @CombineFunction is one that will be used to combine two states into one in aggregation functions.This interface is an internal detail of the SPI and should never be used.Indicates a parameter or return value can be NULL.A window index contains the sorted values for a window partition.