On Thursday, August 26, 2010, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> COPY to/from the client (as opposed to to/from a file) involves some
> special protocol. If your Perl driver knows how to do COPY, the
> answer is yes.
>
> regards, tom lane
DBD::Pg has been able to do it for quite a while.