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From: Andres Freund <andres@anarazel.de>
To: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Vik Fearing <vik@2ndquadrant.fr>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Jim Nasby <Jim.Nasby@bluetreble.com>
Cc: Aleksander Alekseev <a.alekseev@postgrespro.ru>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables)
Date: Wed, 31 Aug 2016 14:43:00 -0700
Message-ID: <20160831214300.stlmapnudo7ifccj@alap3.anarazel.de> (raw)
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On 2016-08-31 23:40:46 +0200, Tomas Vondra wrote:
> It's an improvement (and it's pretty much exactly what I proposed
> upthread). But it does not solve the problems with pg_statistic for
> example (each backend needs it's own statistics. So we'd either bloat
> the pg_statistic (if we manage to solve the problem that the table has
> the same oid in all backends), or we would need in-memory tuples (just
> like discussed in the thread so far).

Creating a session private version of pg_statistic would be fairly
simple.


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  Cc: andres@anarazel.de, tomas.vondra@2ndquadrant.com, vik@2ndquadrant.fr, robertmhaas@gmail.com, Jim.Nasby@bluetreble.com, a.alekseev@postgrespro.ru
  Subject: Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables)
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