Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> BTW, the current code for upper/lower etc. seems to be broken. The
> exact problem you have are happening in Japanese encodings too(EUC_JP)
> too. PostgreSQL should not use wide-character method if LC_CTYPE is C.
Yeah, we came to that same conclusion a few days ago in another thread.
I am planning to install the fix but didn't get to it yet.
regards, tom lane