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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 12:58:23 +0530
Message-ID: <004701cbcc18$c54c8980$4fe59c80$@com> (raw)
In-Reply-To: <4D58D752.2000100@archonet.com>
References: <004601cbcc14$acfe99d0$06fbcd70$@com>
	<4D58D752.2000100@archonet.com>

> Is that really what you are after? Or, did you just want to match:
>    user1@domain.com
>    user2@sub.domain.com

I understand that because I've (%) at the beginning and end, it's going to
match unrelated domains, etc., which as you said rightly, it is
wide-ranging.  But my point here is that how can I improve performance of
the queries containing pattern matching characters.




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