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Re: select using regexp does not use indexscan

From:	Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>
To:	carex <carex(at)skynet(dot)be>
Cc:	pgsql-sql(at)postgresql(dot)org
Subject:	Re: select using regexp does not use indexscan
Date:	2004-11-13 21:39:27
Message-ID:	20041113133651.A44723@megazone.bigpanda.com
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On Tue, 9 Nov 2004, carex wrote:

> And it works also perfectly with Gentoo.
>
> So,is this a typical "Redhat Enterprise" problem ?
> Or do I overlook something ??

IIRC, in 7.3.x, index scans are only considered in "C" locale for
regexp/LIKE. In 7.4.x, non-"C" locale databases can use a special
index of a different opclass (<typename>_pattern_ops I believe).

In response to

select using regexp does not use indexscan at 2004-11-09 20:02:26 from carex

Responses

Re: select using regexp does not use indexscan at 2004-11-14 00:02:04 from Tom Lane

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