On Thu, Jun 9, 2011 at 10:15 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> On Thu, Jun 9, 2011 at 10:07 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>>> We are relying on isupper() to not return true
>>> when presented with a character fragment in a multibyte locale.
>
>> Based on Jeevan's original message, it seems like that's not always
>> the case, at least on Windows.
>
> Hmm.  Now that you mention it, I think the same has been said about OSX.
>
> 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)
>                ... loop as it stands ...
>        else
>                ... loop without the "else if" part

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

Would we back-patch that?  Just do it in master?  Wait for 9.2?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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