"Josh Berkus" <[EMAIL PROTECTED]> writes:
> If
> INTERVAL / INTEGER = INTERVAL

Actually the operator appears to be INTERVAL / FLOAT8.

> then why does
> INTERVAL / INTERVAL = ERROR?

Because no one got around to creating an INTERVAL / INTERVAL operator.
There are plenty of such gaps in our operator set...

> Shouldn't
> INTERVAL / INTERVAL = INTEGER?

I'd think the output should be FLOAT8, myself, since the result
could be fractional.

Anyway, the generic response to such questions is "feel free to
code it up and submit a patch".

                        regards, tom lane

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