On Tue, Nov 19, 2002 at 20:07:04 +0530,
Karthick V <karthickv(at)hclp(dot)com> wrote:
> I've heard that 7.3 is to include functions that return resultsets but there
> is nothing posted on the website regarding this
You can read the development docs to see what is available.
http://developer.postgresql.org/docs/postgres/xfunc.html
is a good place to start reading.