Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables) - Mailing list pgsql-hackers

From Andres Freund
Subject Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables)
Date
Msg-id 20160822210045.ee66vtzeueupmlf4@alap3.anarazel.de
Whole thread Raw
In response to Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables)  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Responses Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables)  (Aleksander Alekseev <a.alekseev@postgrespro.ru>)
List pgsql-hackers
On 2016-08-22 17:50:11 -0300, Alvaro Herrera wrote:
> > 2. You can't write to unlogged tables on standby servers, so this
> > doesn't help solve the problem of wanting to use temporary tables on
> > standbys.
> 
> Check.  We could think about relaxing this restriction, which would
> enable the feature to satisfy that use case.  (I think the main
> complication there is the init fork of btrees on those catalogs; other
> relations could just be truncated to empty on restart.)

Isn't the main complication that visibility currently requires xids to
be assigned?



pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: Add -c to rsync commands on SR tutorial wiki page
Next
From: Bruce Momjian
Date:
Subject: Re: pg_bsd_indent - improvements around offsetof and sizeof