> On looking at the code, there's another issue: the CSV escape and quote
> characters are assumed to be the same in client and server encodings,
> because they're checked for before we do transcoding. This pretty much
> restricts them to be ASCII.
>
> regards, tom lane
+1.
The message in question should be something like:
"COPY delimiter must be a single ASCII character"
--
Tatsuo Ishii
SRA OSS, Inc. Japan