Re: making the backend's json parser work in frontend code

On Tue, 28 Jan 2020 at 20:36, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> On Mon, Jan 27, 2020 at 2:02 PM Mahendra Singh Thalor
> <mahi6run(at)gmail(dot)com> wrote:
> > I can see one warning on HEAD.
> >
> > jsonapi.c: In function ‘json_errdetail’:
> > jsonapi.c:1068:1: warning: control reaches end of non-void function
> > [-Wreturn-type]
> > }
> > ^
> >
> > Attaching a patch to fix warning.
>
> Hmm, I don't get a warning there. This function is a switch over an
> enum type with a case for every value of the enum, and every branch
> either does a "return" or an "elog," so any code after the switch
> should be unreachable. It's possible your compiler is too dumb to know
> that, but I thought there were other places in the code base where we
> assumed that if we handled every defined value of enum, that was good
> enough.
>
> But maybe not. I found similar coding in CreateDestReceiver(), and
> that ends with:
>
> /* should never get here */
> pg_unreachable();
>
> So perhaps we need the same thing here. Does adding that fix it for you?
>

Hi Robert,
Tom Lane already fixed this and committed yesterday(4589c6a2a30faba53d0655a8e).

--
Thanks and Regards
Mahendra Singh Thalor
EnterpriseDB: http://www.enterprisedb.com