From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> |
Cc: | Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org>, Pavel Stehule <stehule(at)kix(dot)fsv(dot)cvut(dot)cz>, Zeugswetter Andreas SB SD <ZeugswetterA(at)spardat(dot)at>, Andreas Pflug <pgadmin(at)pse-consulting(dot)de>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Nested Transactions, Abort All |
Date: | 2004-07-09 19:34:47 |
Message-ID: | 200407091934.i69JYm327374@candle.pha.pa.us |
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Lists: | pgsql-hackers |
Alvaro Herrera wrote:
> On Fri, Jul 09, 2004 at 09:07:58PM +0200, Dennis Bjorklund wrote:
> > On Fri, 9 Jul 2004, Alvaro Herrera wrote:
> >
> > > Clearly savepoints do not allow for a snapshot to be released; nested
> > > xacts do.
> >
> > Why not?
>
> What is it?
Simon posted it. It is called RELEASE:
> BEGIN;
> SAVEPOINT x1;
> INSERT INTO ...;
> RELEASE SAVEPOINT x1;
> SAVEPOINT x1;
> INSERT INTO ...;
> RELEASE SAVEPOINT x1;
> SAVEPOINT x1;
> INSERT INTO ...;
> RELEASE SAVEPOINT x1;
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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