Re: Temporary tables under hot standby - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Temporary tables under hot standby
Date
Msg-id CA+U5nMKS54nGPkLxiXfnOAquU_Fqv6T73jjZtj-FoGp9JctHPw@mail.gmail.com
Whole thread Raw
In response to Re: Temporary tables under hot standby  (Nicolas Barbier <nicolas.barbier@gmail.com>)
Responses Re: Temporary tables under hot standby  (Nicolas Barbier <nicolas.barbier@gmail.com>)
Re: Temporary tables under hot standby  (Noah Misch <noah@leadboat.com>)
List pgsql-hackers
On Wed, Apr 25, 2012 at 9:37 AM, Nicolas Barbier
<nicolas.barbier@gmail.com> wrote:

> The declarative creation of an “standard-like” temporary table only
> happens once (it is part of the schema). Using (e.g. putting stuff in
> and executing queries on) such tables can happen on the standby
> without the master having to know.

So you are saying it is OK to not be able to *create* them on HS, just
*use* pre-defined tables?

That's almost useless IMHO.

Applications expect to be able to do this all in the same transaction
on one session
CREATE TEMP TABLE x;...DML commands...
SELECT ... FROM x;

--
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


pgsql-hackers by date:

Previous
From: Nicolas Barbier
Date:
Subject: Re: Temporary tables under hot standby
Next
From: Kohei KaiGai
Date:
Subject: [v9.3] Extra Daemons (Re: elegant and effective way for running jobs inside a database)