Re: [bug fix] strerror() returns ??? in a UTF-8/C database with LC_MESSAGES=non-ASCII

From: "Peter Eisentraut" <peter_e@gmx.net>
> Does anyone know why the PostgreSQL-supplied part of the error message
> does not get messed up?

That is because bind_textdomain_codeset() is called for postgres.mo in 
src/backend/utils/mb/mbutils.c, specifying the database encoding as the 
second argument.  This is done at session start.

Regards
MauMau