From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Doug Doole <ddoole@salesforce.com>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Craig Ringer <craig@2ndquadrant.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: ICU integration
Date: Wed, 7 Sep 2016 14:36:52 -0300
Message-ID: <20160907173652.GA135596@alvherre.pgsql> (raw)
In-Reply-To: <CAP6UvaNTvYXmsJTiDQKwKTBJhO-axRXBjWTXJ5oAonSFNJ514g@mail.gmail.com>
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> - I can't remember the specific language but they had the collation rule
> that "CH" was treated as a distinct entity between C and D. This gave the
> order C < CG < CI < CZ < CH < D. Then they removed CH as special which gave
> C < CG < CH < CI < CZ < D. Suppose there was the constraint CHECK (COL
> BETWEEN 'C' AND 'CH'). Originally it would allow (almost) all strings that
> started with C. After the change it the constraint would block everything
> that started with CI - CZ leaving many rows that no longer qualify in the
> database.
(This was probably Spanish.)
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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Cc: alvherre@2ndquadrant.com, ddoole@salesforce.com, peter.eisentraut@2ndquadrant.com, craig@2ndquadrant.com
Subject: Re: ICU integration
In-Reply-To: <20160907173652.GA135596@alvherre.pgsql>
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