| From: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Add proper planner support for ORDER BY / DISTINCT aggregates |
| Date: | 2021-07-14 01:45:22 |
| Message-ID: | CAEudQApuT_E5pN5MWHxVGmDP0vmW030LADEsgeouS8+s5YJtAA@mail.gmail.com |
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| Lists: | pgsql-hackers |
Em ter., 13 de jul. de 2021 às 22:15, David Rowley <dgrowleyml(at)gmail(dot)com>
escreveu:
> On Tue, 13 Jul 2021 at 23:45, Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> wrote:
> > The question not answered is if *argno* can '>=' that
> pertrans->numTransInputs,
> > before entering the loop?
> > If *can*, the loop might be useless in that case.
> >
> >>
> >>
> >> Note that we're doing argno++ inside the loop.
> >
> > Another question is, if *argno* can '>' that pertrans->numTransInputs,
> > before the loop, the test will fail?
> > if (argno == pertrans->numTransInputs)
>
> argno is *always* 0 before the loop starts.
>
Good. Thanks.
regards,
Ranier Vilela
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