Re: [HACKERS] please?

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От Bruce Momjian
Тема Re: [HACKERS] please?
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Msg-id 199905311910.PAA28600@candle.pha.pa.us
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Ответ на Re: [HACKERS] please?  (Theo Kramer <theo@flame.co.za>)
Ответы Re: [HACKERS] please?  (Pablo Funes <pablo@cs.brandeis.edu>)
Список 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@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


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