From: Volkan YAZICI <yazicivo@ttnet.net.tr>
Cc: guile-user@gnu.org
Subject: Re: Guile Interpreter as a Standalone Server
Date: Sat, 21 Oct 2006 00:26:50 +0300 [thread overview]
Message-ID: <20061020212650.GE2076@alamut> (raw)
In-Reply-To: <87fydizpg9.fsf@ossau.uklinux.net>
Hi,
On Oct 20 09:45, Neil Jerram wrote:
> Volkan YAZICI <yazicivo@ttnet.net.tr> writes:
> > - Parse & execute faster. (We won't need to create a new process
> > everytime.)
>
> Is this for a specific application, out of interest?
Yes, it's for PL/scheme. [http://plscheme.projects.postgresql.org/]
> > - Cache parse plans.
>
> I don't understand what this item means.
You know, there're some procedure volatility levels in SQL. For
instance, non-volatile (mmiutable) procedures always return same result
as long as you supply same argument values. (Yes, we've caching for this
in PL/scheme.) For volatile procedures, result depends on lots of
outsource data, therefore its result is undeterminable. But, I had
thought that at least I can make PL/scheme perform better by just
executing the previously cached parse plan (by skipping parsing from
scracth phase) parameters) of a volatile procedure called with exactly
the same arguments.
Regards.
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prev parent reply other threads:[~2006-10-20 21:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-05 18:00 Guile Interpreter as a Standalone Server Volkan YAZICI
2006-10-13 12:30 ` Ludovic Courtès
2006-10-14 20:27 ` Volkan YAZICI
2006-10-20 20:45 ` Neil Jerram
2006-10-20 21:26 ` Volkan YAZICI [this message]
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