On Fri, 8 Oct 2004, Tom Lane wrote: > Josh Berkus <[EMAIL PROTECTED]> writes: > > I'll give you an example why not: > > > CALL some_sp ( user IS 19, session IS NULL ); > > > However, Tom, couldn't AS confuse the parser when used to call a named > > function in a SELECT clause? > > I don't think so. We are talking about > > SELECT f(42 AS a, col1 AS b) AS collabel FROM ... > > Certainly there's no ambiguity to a person in this: param name AS's are > inside parens, collabel AS's are not. I believe that bison would deal > with this handily ... but I have to admit I've not actually tried to > make the grammar changes for it.
A quick hack on bison confirms that this doesn't generate any conflicts (as long as you don't add a_expr AS a_expr to a_expr :-)). Gavin ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
