peter pilsl <pilsl@goldfisch.at> writes:
> postgres 7.4 on linux, glibc 2.2.4-6
> I've a table containing unicode-data and the lower()-function does not
> work proper. While it lowers standard letters like A->a,B->b ... it
> fails on special letters like german umlauts (� , � ...) that are simply
> keeped untouched.
upper() and lower() didn't support multibyte character sets before 8.0.
regards, tom lane