> Would "colon-equal" be more acceptable - like in pl/pgsql?
Hmmm... I would tend to think that is even clearer as a separator than a
mere "=". Too much Pascal in my youth? :-)
Although ":" means beginning of variable name in pgbench, I would not
think that it is an issue because = is not a valid variable name.
> Even if "=" becomes a valid operator I would have to think it is a binary
> operator and so its position at the start of an expression would still be
> unambiguous as to whether it is cosmetic or functional.
That is also my conclusion.
--
Fabien.