From: Tom Lane <tgl@sss.pgh.pa.us>
To: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: egashira.yusuke@fujitsu.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17611: SJIS conversion rule about duplicated characters differ from Windows
Date: Thu, 08 Sep 2022 22:58:31 -0400
Message-ID: <5964.1662692311@sss.pgh.pa.us> (raw)
In-Reply-To: <20220909.114216.2263659117945873025.horikyota.ntt@gmail.com>
References: <17611-472d27cf395135b7@postgresql.org>
<20220909.114216.2263659117945873025.horikyota.ntt@gmail.com>
Kyotaro Horiguchi <horikyota.ntt@gmail.com> writes:
> This is not a bug, but the designed behavior. But we could change that
> conversion table if a plausible reasoning is raised.
Given how long our current behavior has stood, I think it'd have to be
a pretty convincing argument. As you say, there'd be some serious
compatibility costs to changing that behavior.
IIUC, SJIS<->Unicode conversions have always been a squishy thing
because of inconsistencies between the various versions of "SJIS".
I'm not seeing a good reason we should regard Windows' behavior as
authoritative here.
I'm not saying I can't be convinced, but "Microsoft does it that
way" isn't enough to convince me.
regards, tom lane
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To: pgsql-bugs@postgresql.org
Cc: tgl@sss.pgh.pa.us, horikyota.ntt@gmail.com, egashira.yusuke@fujitsu.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17611: SJIS conversion rule about duplicated characters differ from Windows
In-Reply-To: <5964.1662692311@sss.pgh.pa.us>
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