Re: Making all nbtree entries unique by having heap TIDs participate in comparisons

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Dmitry Dolgov <9erthalion6(at)gmail(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Claudio Freire <klaussfreire(at)gmail(dot)com>, Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, "Andrey V(dot) Lepikhov" <a(dot)lepikhov(at)postgrespro(dot)ru>
Subject: Re: Making all nbtree entries unique by having heap TIDs participate in comparisons
Date: 2018-12-04 04:34:44
Message-ID: CAH2-WzkhhteMzhySNjQ5DVRw+ukQjqo2iwbCGn6tEiXMesmuWg@mail.gmail.com
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On Mon, Dec 3, 2018 at 7:10 PM Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> Attached is v9, which does things that way. There are no interesting
> changes, though I have set things up so that a later patch in the
> series can add "dynamic prefix truncation" -- I do not include any
> such patch in v9, though. I'm going to start a new thread on that
> topic, and include the patch there, since it's largely unrelated to
> this work, and in any case still isn't in scope for Postgres 12 (the
> patch is still experimental, for reasons that are of general
> interest).

The dynamic prefix truncation thread that I started:

https://postgr.es/m/CAH2-Wzn_NAyK4pR0HRWO0StwHmxjP5qyu+X8vppt030XpqrO6w@mail.gmail.com
--
Peter Geoghegan

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