Re: Changeset Extraction v7.0 (was logical changeset generation)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Craig Ringer <craig(at)2ndquadrant(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Changeset Extraction v7.0 (was logical changeset generation)
Date: 2014-01-18 17:04:07
Message-ID: 19833.1390064647@sss.pgh.pa.us
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Thu, Jan 16, 2014 at 10:15 PM, Craig Ringer <craig(at)2ndquadrant(dot)com> wrote:
>> Anybody who actually uses SHIFT_JIS as an operational encoding, rather
>> than as an input/output encoding, is into pain and suffering. Personally
>> I'd be quite happy to see it supported as client_encoding, but forbidden
>> as a server-side encoding. That's not the case right now - so since we
>> support it, we'd better guard against its quirks.

> I think that *is* the case right now.

SHIFT_JIS is not and never will be allowed as a server encoding,
precisely because it has multi-byte characters of which some bytes could
be taken for ASCII. The same is true of our other client-only encodings.

regards, tom lane

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