| From: | Zhihong Yu <zyu(at)yugabyte(dot)com> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | Vik Fearing <vik(at)postgresfriends(dot)org>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Erwin Brandstetter <brsaweda(at)gmail(dot)com> |
| Subject: | Re: Allow WindowFuncs prosupport function to use more optimal WindowClause options |
| Date: | 2022-10-18 02:40:07 |
| Message-ID: | CALNJ-vRLJBiV8OnoFkF-TYqFtCsY=7+kr69WJ7N1RSGgqWEhJQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Oct 17, 2022 at 5:05 PM David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
> Thanks for having a look at this.
>
> On Fri, 14 Oct 2022 at 10:52, Zhihong Yu <zyu(at)yugabyte(dot)com> wrote:
> > + req->frameOptions = (FRAMEOPTION_ROWS |
> > + FRAMEOPTION_START_UNBOUNDED_PRECEDING |
> > + FRAMEOPTION_END_CURRENT_ROW);
> >
> > The bit combination appears multiple times in the patch.
> > Maybe define the combination as a constant in supportnodes.h and
> reference it in the code.
>
> I don't believe supportnodes.h has any business having any code that's
> related to actual implementations of the support request type. If we
> were to have such a definition then I think it would belong in
> windowfuncs.c. I'd rather see each implementation of the support
> request spell out exactly what they mean, which is what the patch does
> already.
>
> David
>
Hi,
I am fine with keeping the code where it is now.
Cheers
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