From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Theo Kramer <theo(at)flame(dot)co(dot)za> |
Cc: | pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] please? |
Date: | 1999-05-31 19:10:55 |
Message-ID: | 199905311910.PAA28600@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
> Bruce Momjian wrote:
> >
> > > Bruce Momjian wrote:
> > > >
> > > > I don't know of any SQL databases that allow non-blocking lock requests.
> > > >
> > >
> > > Oracle OCI has oopt() and Informix Online has dirty read that do the trick for
> > > me.
> > > --------
> >
> > Please give me more information. How does dirty read fix the problem?
>
> It allows me to read uncommited records without blocking.
Yes, but that does not solve his problem. He wants a single lock, and
wants to test the lock, and immediately return if the lock fails.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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