From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: timeout on lock feature |
Date: | 2001-04-19 01:39:39 |
Message-ID: | 200104190139.f3J1ddO10137@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> On Wed, Apr 18, 2001 at 07:33:24PM -0400, Bruce Momjian wrote:
> > > What might be a reasonable alternative would be a BEGIN timeout: report
> > > failure as soon as possible after N seconds unless the timer is reset,
> > > such as by a commit. Such a timeout would be meaningful at the
> > > database-interface level. It could serve as a useful building block
> > > for application-level timeouts when the client environment has trouble
> > > applying timeouts on its own.
> >
> > Now that is a nifty idea. Just put it on one command, BEGIN, and have
> > it apply for the whole transaction. We could just set an alarm and do a
> > longjump out on timeout.
>
> Of course, it begs the question why the client couldn't do that
> itself, and leave PG out of the picture. But that's what we've
> been talking about all along.
Yes, they can, but of course, they could code the database in the
application too. It is much easier to put the timeout in a psql script
than to try and code it.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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