Re: [HACKERS] regular expressions from hell

From: Hal Snyder <hal(at)vailsys(dot)com>
To: pgsql-hackers(at)hub(dot)org
Subject: Re: [HACKERS] regular expressions from hell
Date: 1998-06-01 03:17:30
Message-ID: 199806010317.WAA25289@gator.vail
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> Date: Sun, 31 May 1998 18:56:29 -0700 (PDT)
> From: Brett McCormick <brett(at)work(dot)chicken(dot)org>
> Sender: owner-pgsql-hackers(at)hub(dot)org

> Not to mention the fact that if perl (or mod_perl) is already running
> (and you're using a shared libperl), the library is already loaded.

If you're running Apache, mod_perl or not, isn't Posix regex loaded?
(HSREGEX or compatible?)

> On Sun, 31 May 1998, at 17:23:16, Brett McCormick wrote:
>
> > Unfortunately, there's no other way. This is mentioned in the
> > perlcall manpage, I beleive. One method which is ok in my book is to
> > load the shared perl lib once, in one backend, and then it can be
> > shared between all other backends when they need perl regex's.
> >
> > There is no mechanism for auto-loading the type/func shared libraries
> > on postmaster startup correct? It happens per backend sessions? So
> > to do the above you'd have to have one "Dummy" connection which just
> > did a simple regex and then while(1) { sleep(10^32) };
...

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