Re: 11.7. Indexes on Expressions

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Chris Lowder <clowder(at)hey(dot)com>, Pg Docs <pgsql-docs(at)lists(dot)postgresql(dot)org>
Subject: Re: 11.7. Indexes on Expressions
Date: 2021-12-22 22:18:09
Message-ID: CAKFQuwY7u3tArLzBcoVAa04FqJfT0puu8EURYdkkc5S-Xzrh3A@mail.gmail.com
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On Wed, Dec 22, 2021 at 3:13 PM Bruce Momjian <bruce(at)momjian(dot)us> wrote:

> I think our _big_ missing information is a definition of HOT updates and
> that updating a column involved in an index disables HOT updates.
>

Along those lines adding "51.7 Special Considerations for Updates" would be
minimally invasive. Having this under "Overview of PostgreSQL Internals"
feels ok.

David J.

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