Re: RPM init-script: Why the locale setting?

From: Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>
To: Troels Arvin <troels(at)arvin(dot)dk>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: RPM init-script: Why the locale setting?
Date: 2004-04-04 23:12:06
Message-ID: 20040404161010.V90684@megazone.bigpanda.com
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On Sun, 4 Apr 2004, Troels Arvin wrote:

> Hello,
>
> In the init-script contained in the RPMs downloadable from the PostgreSQL
> site (I checked the one for Fedora), an explicit locale is set before
> running initdb. - And the explicit locale is not "C".
>
> This means that a PostgreSQL installation will not use indexes for LIKE
> queries (I just ran into this). See
> http://www.postgresql.org/docs/faqs/FAQ.html#4.8

Technically you should be able to use an index in the appropriate
*_pattern_ops opclass, but yes, normal indexes aren't used.

> I suggest that the init-script be rewritten so that LANG and LC_ALL are
> unset before initdb is run (which happens the first time PostgreSQL is
> started after the RPM-based installation).

Wouldn't this get in the way of having the server "do the right thing"
when in a locale that doesn't collate by "C" rules?

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