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Re: Pathological regexp match

David E. Wheeler <david@kineticode.com>

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From: "David E. Wheeler" <david@kineticode.com>
To: Magnus Hagander <magnus@hagander.net>
Cc: Michael Glaesemann <michael.glaesemann@myyearbook.com>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2010-02-08T17:07:04Z
Lists: pgsql-hackers 
On Feb 8, 2010, at 5:15 AM, Magnus Hagander wrote:

> The text is about 180Kb. PostgreSQL takes ~40 seconds without the
> patch, ~36 seconds with it, to extract the match from it. Perl takes
> 0.016 seconds.

Obviously we need to support Perl regular expressions in core. Not PCRE, but Perl. ;-P

Best,

David