On Sat, Jun 29, 2019 at 5:22 AM Ananya Bhat <ananyabha...@gmail.com> wrote:

>
> Please clarify the following
> Why scalar types can not be used as IN parameter or OUT parameters of
> Service RPCs?
>

I think it just simplifies everything to use message types only. If we
allowed non-message types as requests or responses then it would also be
difficult to change the API over time, whereas with messages it's easy to
add new fields.


> How partial messages can be explicitly specified in service RPCs without
> using nesting?
>

As far as I know there is no way to specify partial messages in the service
schema. However, you can always specify the full message with the
understanding that it won't necessarily have a value set in every field.

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