Re: What users can do with custom ICU collations in Postgres 10

From: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
To: Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: What users can do with custom ICU collations in Postgres 10
Date: 2017-08-15 18:19:43
Message-ID: 9ff6fc17-497c-3c98-359f-f4583abc4bf3@2ndquadrant.com
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On 8/14/17 12:15, Peter Eisentraut wrote:
> Given that we cannot reasonably preload all these new variants that you
> demonstrated, I think it would make sense to drop all the keyword
> variants from the preloaded set.

After playing with this a bit, I'm having some doubts. While the "k"
keys from TR 35 are algorithmic parameters that apply to all locales and
can be looked up in the respective documents, I don't find any way a
user can discover what collation types ("co") are available for a
locale. Any ideas? If there isn't one, I think we need to provide one.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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