David Fetter <david@fetter.org> writes:
> I'd be delighted to, but I'm not sure how to see to it that EXPLAIN
> gets the CMD_SELECT flag. What all files need to change to effect
> this? Or have I drastically misunderstood what's involved?
It doesn't. See
http://archives.postgresql.org/pgsql-committers/2005-02/msg00073.php
regards, tom lane