Mark Dilger <pgsql@markdilger.com> writes:
> Tom Lane wrote:
>> If so, one function or the other is cheating.
> That depends what you mean by cheating. The justify_hours function
> looks to see what answer justify_days would give, but does not
> actually change the data. I described this all earlier and I still
> don't see why there is anything wrong with it.
The problem is that you can't determine "what answer justify_days would
give" without using the assumption "1 month == 30 days", which is an
assumption that justify_hours must not depend on.
regards, tom lane