Re: POSIX regex performance bug in 7.3 Vs. 7.2

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>
Cc: neilc(at)samurai(dot)com, jon(at)endpoint(dot)com, wade(at)wavefire(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: POSIX regex performance bug in 7.3 Vs. 7.2
Date: 2003-02-05 14:59:01
Message-ID: 25876.1044457141@sss.pgh.pa.us
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Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> writes:
> Ok. The original complain can be sasily solved at least for single
> byte encoding databases. With the small patches(against 7.3.1)
> included, I got following result.

Nice work, Tatsuo! Wade, can you confirm that this patch solves your
problem?

Tatsuo, please commit into REL7_3 branch only --- I'm nearly ready to do
a wholesale replacement of the regex code in HEAD, so you wouldn't
accomplish much except to create a merge problem for me ...

regards, tom lane

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