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Re: character encoding in StartupMessage

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, John DeSoi <desoi(at)pgedit(dot)com>, PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: character encoding in StartupMessage
Date: 2006-02-28 16:19:02
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
>>> This may be the only solution. Converting everything to UTF-8 has
>>> issues because some encodings are not roundtrip-safe

>> Is this still true?

> I beleive so. If use the ICU Converter Explorer [1] to examine some of
> the encodings we support, they have "Contains ambiguous aliases? TRUE".

Which ones, and are they client-only encodings?  If all our server-side
encodings are round-trip safe then I think there's no big issue.

In any case I don't think there's a huge problem if we say that database
and user names had better be chosen from the round-trip-safe subset.

			regards, tom lane

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