From: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Michael Loftis <mloftis(at)wgops(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: timeout implementation issues |
Date: | 2002-04-10 04:31:58 |
Message-ID: | 3CB3C03E.5FF92203@tpf.co.jp |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
Bruce Momjian wrote:
>
> Hiroshi Inoue wrote:
> > > > ??? What do you mean by
> > > > o Some SETs are honored in an aborted transaction (current)
> > > > ?
> > > > Is the current state different from
> > > > o All SETs are honored in an aborted transaction
> > > > ?
> > >
> > > In the case of:
> > >
> > > BEGIN WORK;
> > > SET x=1;
> > > bad query that aborts transaction;
> > > SET x=2;
> > > COMMIT WORK;
> > >
> > > Only the first SET is done, so at the end, x = 1. If all SET's were
> > > honored, x = 2. If no SETs in an aborted transaction were honored, x
> > > would equal whatever it was before the BEGIN WORK above.
> >
> > IMHO
> > o No SETs are honored in an aborted transaction(current)
> >
> > The first SET isn't done in an aborted transaction.
>
> I guess my point is that with our current code, there is a distinction
> that SETs are executed before a transaction aborts, but are ignored
> after a transaction aborts, even if the SETs are in the same
> transaction.
Not only SET commands but also most commands are ignored
after a transaction aborts currently. SET commands are out
of transactional control but it doesn't mean they are never
ignore(rejecte)d.
regards,
Hiroshi Inoue
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2002-04-10 04:35:43 | Re: BETWEEN SYMMETRIC/ASYMMETRIC |
Previous Message | Tom Lane | 2002-04-10 04:30:32 | Re: timeout implementation issues |