Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> writes:
> Yeah. These rules don't seem to make much sense, why bother making
> it a general value expression if you're going to limit it like that?
> It almost makes me wonder what SQL200x is going to do to the clause.
Maybe it's a typo ... could someone check the SQL200x wording?
regards, tom lane