Re: Multi-Language upper(),lower() - Mailing list pgsql-general

From Bruce Momjian
Subject Re: Multi-Language upper(),lower()
Date
Msg-id 200407060323.i663NhT23314@candle.pha.pa.us
Whole thread Raw
In response to Re: Multi-Language upper(),lower()  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Tom Lane wrote:
> Ara Anjargolian <ara818@yahoo.com> writes:
> > Am I mistaken, or was multi-language support for
> > upper(), lower() and friends recently added to 7.5?
>
> I fixed upper/lower so that they would work on multi-byte character set
> encodings, given that the platform supports the <wctype.h> functions
> towupper, towlower, etc.  This means they can work on Unicode (UTF-8)
> data.  However, this doesn't do anything to improve the fundamental
> issue that we are dependent on the C library's API for locale-specific
> behavior, and that that API does *not* easily support dealing with
> multiple locales at once.  See the nearby "unicode and sorting" thread.

OK, I marked the item as done.

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