Re: Invalid byte sequence for encoding "UTF8", caused due to non wide-char-aware downcase_truncate_identifier() function on WINDOWS

Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Jun 9, 2011 at 10:15 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> If we need to work around brain-dead isupper() tests, maybe the best
>> thing is to implement two versions of the loop:
>>        if (encoding is single byte)

> That seems like a clear improvement.  It's a long way from perfect,
> but still worthwhile.

Hmm ... while the above is easy enough to do in the backend, where we
can look at pg_database_encoding_max_length, we have also got instances
of this coding pattern in src/port/pgstrcasecmp.c.  It's a lot less
obvious how to make the test in frontend environments.  Thoughts anyone?

			regards, tom lane