From: | Neil Conway <nconway(at)klamath(dot)dyndns(dot)org> |
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To: | "Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: help with bison |
Date: | 2002-04-11 03:03:09 |
Message-ID: | 20020410230309.74d4bc38.nconway@klamath.dyndns.org |
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Lists: | pgsql-hackers |
On Thu, 11 Apr 2002 10:54:14 +0800
"Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au> wrote:
> Out of interest, since the FE/BE protocol apprently doesn't support prepared
> statements (bound variables), what does this patch actually _do_?
It implements preparable statements, by adding 3 new SQL statements:
PREPARE <plan> AS <query>;
EXECUTE <plan> USING <parameters>;
DEALLOCATE <plan>;
I didn't write the original patch -- that was done by Karel Zak.
But since that was several years ago, I'm working on cleaning it up,
getting it to apply to current sources (which has taken a while),
and fixing the remaining issues with it. Karel describes his work
here:
(If that's messed up due to newlines, search for "query cache plan"
on Google Groups, it's the first result)
Cheers,
Neil
--
Neil Conway <neilconway(at)rogers(dot)com>
PGP Key ID: DB3C29FC
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