> > 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 ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])