"Ilya A. Kovalenko" <shadow@oganer.net> writes:
> I suggest one more standard date/time operator, to divide one interval
> by another with numeric (or float, for example) result.
You'd have to define exactly what that means, which seems a little
tricky for incommensurate intervals. For instance what is the
result of '1 month' / '1 day' ?
regards, tom lane