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Re: [HACKERS] UTF8 or Unicode

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, tgl(at)sss(dot)pgh(dot)pa(dot)us,dpage(at)vale-housing(dot)co(dot)uk, oliver(at)opencloud(dot)com, zakkr(at)zf(dot)jcu(dot)cz,PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [HACKERS] UTF8 or Unicode
Date: 2005-02-26 20:50:23
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackerspgsql-patches
Peter Eisentraut wrote:
> Am Freitag, 25. Februar 2005 05:51 schrieb Bruce Momjian:
> > so I see what he is saying.  We are not consistent in favoring the
> > official names vs. the common names.
> >
> > I will work on a patch that people can review and test.
> I think this is what we should do:
> ALT => WIN866
> WIN => WIN1251
> TCVN => WIN1258
> That should clear it up.

OK, here is a patch that makes those changes.

The only uncertainty I have is with the the use of the TCVN conversion
routine names, e.g.:

	SELECT CONVERT('foo' USING tcvn_to_utf_8);

I assume this is the same as:

	SELECT CONVERT('foo', 'WIN1258', 'UTF8');
	SELECT CONVERT('foo', 'TCVN', 'UTF8');   -- alias usage

So, why would people use the routine name?  Both forms are documented. 
The first one with USING does not accept aliases, while the others do.

I think this should be renamed to win1258_to_utf_8.  However, this would
be an incompatibility.  We should mention it in the release notes.

Other than that the other conversion files were already named fine, e.g.
ascii_to_utf_8 (no UNICODE), however it is utf_8 and not utf8.  I am
unsure how to handle these.

  Bruce Momjian                        |
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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