Re: WIP patch: Collation support - Mailing list pgsql-hackers

From Martijn van Oosterhout
Subject Re: WIP patch: Collation support
Date
Msg-id 20080923102652.GB6986@svana.org
Whole thread Raw
In response to Re: WIP patch: Collation support  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Responses Re: WIP patch: Collation support  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
List pgsql-hackers
On Mon, Sep 22, 2008 at 10:22:35AM +0300, Heikki Linnakangas wrote:
> BTW, the original patch didn't have any provision for creating rows in
> pg_collation reflecting the locales available in the OS, but I think
> we'd need that. Otherwise the DBA would need to manually run CREATE
> COLLATION for every collation they want users to be able to use.
> Assuming we do that, the situation that we can't find a row with given
> LC_COLLATE and LC_CTYPE should not arise in practice.

You're assuming collations are denumerable. They're not. There is no way
to find the list of available collations/locales. You may be able to
guess a few but certainly not all of them.

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> Please line up in a tree and maintain the heap invariant while
> boarding. Thank you for flying nlogn airlines.

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