Re: patch : Allow toast tables to be moved to a different tablespace
Julien Tachoires <julmon@gmail.com>
From: Julien Tachoires <julmon@gmail.com>
To: Jaime Casanova <jaime@2ndquadrant.com>
Cc: pgsql-hackers@postgresql.org
Date: 2011-11-28T18:32:15Z
Lists: pgsql-hackers
Attachments
- set_toast_tablespace_v0.9.patch (text/x-patch) patch v0
Hi Jaime, Please find a new version. 2011/11/16 Jaime Casanova <jaime@2ndquadrant.com>: > On Tue, Nov 15, 2011 at 11:08 AM, Julien Tachoires <julmon@gmail.com> wrote: >> >> Maybe I'd missed something, but the normal case is : >> ALTER TABLE ... SET TABLESPACE => moves Table + moves associated TOAST Table >> ALTER TABLE ... SET TABLE TABLESPACE => moves Table & keeps associated >> TOAST Table at its place >> ALTER TABLE ... SET TOAST TABLESPACE => keeps Table at its place & >> moves associated TOAST Table >> > > it has docs, and pg_dump support which is good. > > but i found a few problems with the behaviour: > 1) it accepts the sintax ALTER INDEX ... SET TOAST TABLESPACE ...; > which does nothing Fixed. > 2) after CLUSTER the index of the toast table gets moved to the same > tablespace as the main table > 3) after ALTER TABLE ... ALTER ... TYPE ...; the toast table gets > moved to the same tablespace as the main table Fixed. > > now, if we are now supporting this variants > ALTER TABLE SET TABLE TABLESPACE > ALTER TABLE SET TOAST TABLESPACE > > why not also support ALTER TABLE SET INDEX TABLESPACE which should > have the same behaviour as ALTER INDEX SET TABLESPACE... just an idea, > and of course not necessary for this patch > > -- > Jaime Casanova www.2ndQuadrant.com > Professional PostgreSQL: Soporte 24x7 y capacitación