Tom Lane wrote:
The output function, however, would be quite a trick. It's not going to receive anything except the Datum itself.
I understand the reasons for this limitation of output functions, but I have now seen it bite several times. Maybe we need a little out of the box thinking on this. I have spent a while taxing my meagre brain on it over the last few months, without much success ;-(
cheers andrew ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend