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Re: Autonomous subtransactions

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Marti Raudsepp <marti(at)juffo(dot)org>
Cc: Gianni Ciolli <gianni(dot)ciolli(at)2ndquadrant(dot)it>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Autonomous subtransactions
Date: 2011-12-19 18:34:39
Message-ID: CA+U5nML_TybggzCj+pTFk908WGR1_Ee+a-=edLTV7bZiaLpRdg@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Mon, Dec 19, 2011 at 3:52 PM, Marti Raudsepp <marti(at)juffo(dot)org> wrote:
> On Sun, Dec 18, 2011 at 10:28, Gianni Ciolli
> <gianni(dot)ciolli(at)2ndquadrant(dot)it> wrote:
>>  http://wiki.postgresql.org/wiki/Autonomous_subtransactions
>>
>> It is meant to be an ongoing project, requesting comments and
>> contributions, rather than a conclusive document.
>
> In addition to what Jim Nasby said, this proposal seems a bit
> inflexible. In particular:
> 1. It limits us to exactly 2 autonomous transactions at any time (the
> main one and the "subtransaction").

It's not clear to me why you think there would be a limitation to
exactly 2 autonomous transactions.

The intention would be to have a theoretically unlimited number,
subject to resource limits, just as normal subtransactions already do.

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

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