Function RegisterAggregateFunction

python/pyarrow/src/arrow/python/udf.cc:637–644

}

Status RegisterAggregateFunction(PyObject* function, UdfWrapperCallback cb,
                                 const UdfOptions& options,
                                 compute::FunctionRegistry* registry) {
  RETURN_NOT_OK(RegisterScalarAggregateFunction(function, cb, options, registry));
  RETURN_NOT_OK(RegisterHashAggregateFunction(function, cb, options, registry));

  return Status::OK();
}

Result<std::shared_ptr<RecordBatchReader>> CallTabularFunction(
    const std::string& func_name, const std::vector<Datum>& args,