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From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Doug Doole <ddoole@salesforce.com>
Cc: Craig Ringer <craig@2ndquadrant.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: ICU integration
Date: Wed, 7 Sep 2016 08:53:22 -0400
Message-ID: <6008673a-e371-8437-adc0-96fba4a74028@2ndquadrant.com> (raw)
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On 9/6/16 1:40 PM, Doug Doole wrote:
> We carried the ICU version numbers around on our collation and locale
> IDs (such as fr_FR%icu36) . The database would load multiple versions of
> the ICU library so that something created with ICU 3.6 would always be
> processed with ICU 3.6. This avoided the problems of trying to change
> the rules on the user. (We'd always intended to provide tooling to allow
> the user to move an existing object up to a newer version of ICU, but we
> never got around to doing it.) In the code, this meant we were
> explicitly calling the versioned API so that we could keep the calls
> straight.

I understand that in principle, but I don't see operating system
providers shipping a bunch of ICU versions to facilitate that.  They
will usually ship one.

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


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