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Re: select using regexp does not use indexscan - Mailing list pgsql-sql

From Stephan Szabo
Subject Re: select using regexp does not use indexscan
Date
Msg-id 20041113133651.A44723@megazone.bigpanda.com
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In response to select using regexp does not use indexscan  (carex@skynet.be (carex))
Responses Re: select using regexp does not use indexscan  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-sql
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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).

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