Re: MDAM techniques and Index Skip Scan patch

From: Dmitry Dolgov <9erthalion6(at)gmail(dot)com>
To: Julien Rouhaud <rjuju123(at)gmail(dot)com>
Cc: Floris Van Nee <florisvannee(at)optiver(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, Andy Fan <zhihui(dot)fan1213(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: MDAM techniques and Index Skip Scan patch
Date: 2022-01-22 21:37:19
Message-ID: 20220122213719.bshzifnx4p5geozy@erthalion.local
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> On Fri, Jan 14, 2022 at 04:03:41PM +0800, Julien Rouhaud wrote:
> Hi,
>
> On Fri, Jan 14, 2022 at 08:55:26AM +0100, Dmitry Dolgov wrote:
> >
> > FYI, I've attached this thread to the CF item as an informational one,
> > but as there are some patches posted here, folks may get confused. For
> > those who have landed here with no context, I feel obliged to mention
> > that now there are two alternative patch series posted under the same
> > CF item:
> >
> > * the original one lives in [1], waiting for reviews since the last May
> > * an alternative one posted here from Floris
>
> Ah, I indeed wasn't sure of which patchset(s) should actually be reviewed.
> It's nice to have the alternative approach threads linkied in the commit fest,
> but it seems that the cfbot will use the most recent attachments as the only
> patchset, thus leaving the "original" one untested.
>
> I'm not sure of what's the best approach in such situation. Maybe creating a
> different CF entry for each alternative, and link the other cf entry on the cf
> app using the "Add annotations" or "Links" feature rather than attaching
> threads?

I don't mind having all of the alternatives under the same CF item, only
one being tested seems to be only a small limitation of cfbot.

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