Re: POSIX regex performance bug in 7.3 Vs. 7.2 - Mailing list pgsql-hackers

From Hannu Krosing
Subject Re: POSIX regex performance bug in 7.3 Vs. 7.2
Date
Msg-id 1044439155.1612.60.camel@localhost.localdomain
Whole thread Raw
In response to Re: POSIX regex performance bug in 7.3 Vs. 7.2  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane kirjutas K, 05.02.2003 kell 08:12:
> Hannu Krosing <hannu@tm.ee> writes:
> > Another idea is to make special regex type and store the regexes
> > pre-parsed (i.e. in some fast-load form) ?
> 
> Seems unlikely that going out to disk could beat just recompiling the
> regexp. 

We have to get _something_ from disk anyway. Currently we fetch regex
source code, but if there were some format that is faster to load then
that could be an option.

-- 
Hannu Krosing <hannu@tm.ee>


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