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From: Christoph Berg <myon@debian.org>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: David Rowley <dgrowleyml@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Julien Rouhaud <rjuju123@gmail.com>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: Douglas Doole <dougdoole@gmail.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Cc: Juan José Santamaría Flecha <juanjo.santamaria@gmail.com>
Subject: Re: Collation versioning
Date: Tue, 3 Nov 2020 23:14:42 +0100
Message-ID: <20201103221442.GA168711@msg.df7cb.de> (raw)
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Re: Thomas Munro
> for all I know, "en" variants might change
> independently (I doubt it in practice, but in theory it's wrong).

Long before the glibc 2.28 incident, the same collation change
had already happened twice, namely between RedHat 5 -> 6 -> 7, for
de_DE.UTF-8 only. de_AT.UTF-8 and all other locales were unaffected.

At the time I didn't connect the dots to check if Debian was affected
as well, but of course later testing revealed it was since it was a
change in glibc.

(German blogpost: https://www.credativ.de/blog/postgresql/postgresql-und-inkompatible-deutsche-spracheigenschaften-in-...)

Christoph





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