On Wed, Dec 22, 2021 at 2:45 PM Bruce Momjian <br...@momjian.us> wrote:
> On Wed, Dec 22, 2021 at 02:40:12PM -0700, David G. Johnston wrote: > > On Fri, Dec 17, 2021 at 2:43 PM Bruce Momjian <br...@momjian.us> wrote: > > > > I am attaching an updated patch which mentions non-HOT updates for > > expression indexes. > > > > > > Thanks. I'm a bit concerned that before this patch the only place we > mentioned > > HOTin the docs is in the appendix acronym listing which points to the > readme > > file in the source code. > > Uh, I had a similar concern and found these cases: > > monitoring.sgml: Number of rows updated (includes HOT > updated rows) > monitoring.sgml: Number of rows HOT updated (i.e., with no > separate index > > Not sure what else we can do --- it would be odd to explain it in the > expression index docs. > > Found another one: https://www.postgresql.org/docs/current/btree-implementation.html "...(where most individual updates cannot apply the HOT optimization." Make the acronym HOT in all these places take the reader to the acronym page, and add a brief description there so they don't need to consume the readme file? David J.
