| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Noah Misch <noah(at)leadboat(dot)com> |
| Cc: | Peter Geoghegan <pg(at)bowt(dot)ie>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andreas Karlsson <andreas(at)proxel(dot)se>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Re: CREATE COLLATION does not sanitize ICU's BCP 47 language tags. Should it? |
| Date: | 2017-10-01 13:50:15 |
| Message-ID: | 93d03020-f5c6-7dea-15b7-241388f43e9a@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 9/30/17 15:28, Tom Lane wrote:
> Now, it may still be worthwhile to argue about whether canonicalization
> will help the other component of the problem, which is whether you can
> dump and reload CREATE COLLATION commands into a new ICU version and
> expect to get more-or-less-the-same behavior as before.
Arguably, you don't always want that. Maybe you selected a locale name
like 'en-NEWCOUNTRY', and in old ICU versions you want that to fall back
to default 'en' behavior and in newer you get the updated custom behavior.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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