Re: tolower() identifier downcasing versus multibyte encodings

Marko Kreen <markokr@gmail.com> writes:
> On Sat, Mar 19, 2011 at 6:10 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Or we could bite the bullet and start using str_tolower(), but the
>> performance implications of that are unpleasant; not to mention that
>> we really don't want to re-introduce the "Turkish problem" with
>> unexpected handling of i/I in identifiers.

> How about first pass with 'a' - 'A' and if highbit is found
> then str_tolower()?

Hm, maybe.

There's still the problem of what to do in src/port/pgstrcasecmp.c,
which won't have the infrastructure needed to do that.
        regards, tom lane