| From: | Alvaro Herrera <alvherre(at)atentus(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)atentus(dot)com>, Josh Jore <josh(at)greentechnologist(dot)org>, <pgsql-general(at)postgresql(dot)org>, <henry(at)zoo(dot)utoronto(dot)ca> |
| Subject: | Re: Psql regex is NFA or DFA? |
| Date: | 2002-09-10 21:58:57 |
| Message-ID: | Pine.LNX.4.44.0209101753000.3964-100000@cm-lcon1-46-187.cm.vtr.net |
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| Lists: | pgsql-general |
Tom Lane dijo:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Henry's regex work is the same code that is in *BSD regex (at least
> > BSD/OS, FreeBSD, NetBSD), which I have found to be pretty slow in
> > certain complex cases,
>
> You're speaking of his *old* package (the one we currently use), no?
>
> Friedl seems to think that the current Tcl regex engine (Henry's new
> code) is the most advanced thing on the planet.
Oh, so the TODO item "replace with newer code" is not just vaporware?
Well, I won't try to compete with Spencer's code in that case.
--
Alvaro Herrera (<alvherre[a]atentus.com>)
"Linux transformó mi computadora, de una `máquina para hacer cosas',
en un aparato realmente entretenido, sobre el cual cada día aprendo
algo nuevo" (Jaime Salinas)
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