Module accumulator 

Structs

AccumulatorArgs

AccumulatorArgs contains information about how an aggregate function was called, including the types of its arguments and any optional ordering expressions.

StateFieldsArgs

StateFieldsArgs contains information about the fields that an aggregate function’s accumulator should have. Used for AggregateUDFImpl::state_fields.

Type Aliases

AccumulatorFactoryFunction

Factory that returns an accumulator for the given aggregate function.