Robert Haas <robertmhaas@gmail.com> writes:
> Ooh, that's kind of neat. But I think you'd need EXCLUSIVE (a, b) BY
> (=, =), since it could equally well be EXCLUSIVE (a, b) BY (=, &&).
Yeah, we definitely want some parentheses delimiting the expression.
EXCLUSIVE still feels like the wrong part-of-speech though. How
about EXCLUDING (...) BY ... instead?
regards, tom lane