Re: [DOCS] HOT - correct claim about indexes not referencing old line pointers

From: James Coleman <jtc331(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Peter Geoghegan <pg(at)bowt(dot)ie>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, Melanie Plageman <melanieplageman(at)gmail(dot)com>
Subject: Re: [DOCS] HOT - correct claim about indexes not referencing old line pointers
Date: 2023-10-05 01:12:33
Message-ID: CAAaqYe_-VwKJupVgm4sdfJ-cVmaVtpPW5xdeTEscGcJFR8B9fg@mail.gmail.com
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On Wed, Oct 4, 2023 at 9:42 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> On Wed, Oct 4, 2023 at 9:36 AM James Coleman <jtc331(at)gmail(dot)com> wrote:
> > Are you thinking we should simply elide the fact that there is pruning
> > that happens outside of HOT? Or add that information onto the HOT
> > page, even though it doesn't directly fit?
>
> I think we should elide it. Maybe with a much larger rewrite there
> would be a good place to include that information, but with the
> current structure, the page is about why HOT is good, and talking
> about pruning that can happen apart from HOT doesn't advance that
> message.

All right, attached is a v3 which attempts to fix the wrong
information with an economy of words. I may at some point submit a
separate patch that adds a broader pruning section, but this at least
brings the docs inline with reality insofar as they address it.

James

Attachment Content-Type Size
v3-0001-Correct-HOT-docs-to-account-for-LP_REDIRECT.patch application/octet-stream 2.0 KB

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