| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | Peter Smith <smithpb2250(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Daniel Gustafsson <daniel(at)yesql(dot)se>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: GUC names in messages |
| Date: | 2023-11-27 02:07:16 |
| Message-ID: | 3740026.1701050836@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Michael Paquier <michael(at)paquier(dot)xyz> writes:
> Is there a reason why we don't just use islower() or is that just to
> get something entirely local independent?
islower() and related functions are not to be trusted for this
purpose. They will certainly give locale-dependent results,
and they might give entirely wrong ones if there's any inconsistency
between the database encoding and what libc thinks the locale is.
regards, tom lane
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