Re: Interval month, week -> day

On Sep 1, 2006, at 9:12 , Tom Lane wrote:

> Michael Glaesemann <grzm@seespotcode.net> writes:
>> I came across some behavior that seems counterintuitive to me:
>
>> test=# select '1.5 mon'::interval;
>>      interval
>> -----------------
>> 1 mon 360:00:00
>> (1 row)
>
>> With the time/day/month interval struct introduced in 8.1, I'd expect
>> this to return '1 mon 15 days'. The reason is that the DecodeInterval
>> converts fractional months to time directly, rather than cascading
>> first to days.
>
> I agree that this seems like an oversight in the original
> months/days/seconds patch, rather than behavior we want to keep.
> But is DecodeInterval the only place with the problem?  My
> recollection
> is that there's a certain amount of redundancy in the datetime
> code ...

I'll check on this tonight. Any idea where I might start to look?

Michael Glaesemann
grzm seespotcode net