> > I'm looking at implementing IS DISTINCT FROM, among other things.
> > ...
> > I was thinking to implement this by simply expanding these rules within
> > gram.y to be a tree of comparison tests.
> Please, please, do not do that. Make a new expression node tree type,
> instead. We've made this mistake before (eg for BETWEEN) and I don't
> want to do it again.
Uh, sure. If you don't quote out of context I think it is pretty clear
that I was looking for a helpful suggestion to do just that. Thanks,
I'll proceed with the assurance that you won't object to *that* too ;)
- Thomas