From: Gnanakumar <gnanam@zoniac.com>
To: 'Richard Huxton' <dev@archonet.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: How to boost performance of queries containing pattern matching characters
Date: Mon, 14 Feb 2011 13:32:14 +0530
Message-ID: <004c01cbcc1d$7fa04980$7ee0dc80$@com> (raw)
In-Reply-To: <4D58E048.9020506@archonet.com>
References: <004601cbcc14$acfe99d0$06fbcd70$@com>
<4D58D752.2000100@archonet.com>
<004701cbcc18$c54c8980$4fe59c80$@com>
<4D58DC35.8010007@archonet.com>
<004801cbcc1b$3f1d4fe0$bd57efa0$@com>
<4D58E048.9020506@archonet.com>
> The closest you can do is something like Artur's option (or the pg_trgm
> module - handy since you are looking at 3-chars and up) to select likely
> matches combined with a separate search on '%domain.com%' to confirm
> that fact.
Thanks for your suggestion. Our production server is currently running
PostgreSQL v8.2.3. I think pg_trgm contrib module is not available for 8.2
series.
Also, I read about WildSpeed - fast wildcard search for LIKE operator. What
is your opinion on that?
http://www.sai.msu.su/~megera/wiki/wildspeed
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To: pgsql-performance@postgresql.org
Cc: gnanam@zoniac.com, dev@archonet.com
Subject: Re: How to boost performance of queries containing pattern matching characters
In-Reply-To: <004c01cbcc1d$7fa04980$7ee0dc80$@com>
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