Yes, the FunctionHint annotation has an accumulator field. There is an example in its JavaDoc.
Seth On Tue, Jan 26, 2021 at 6:39 AM Yuval Itzchakov <yuva...@gmail.com> wrote: > Hi, I have an aggregate function of the form: > > class Foo extends AggregateFunction[Array[Json], util.List[Json]] > > I want to treat the accumulator as a "RAW" type, since Json is an abstract > class and this fails at runtime. > > Is there any way to annotate the AggregateFunction accumulator type? All > the examples in the docs refer to Scalar functions. > -- > Best Regards, > Yuval Itzchakov. >
