oship-dev team mailing list archive

[Diego Manhães Pinheiro <me@xxxxxxxxxxxxxx>]

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Em 30/11/10 22:24, Tim Cook escreveu:
> On Tue, 2010-11-30 at 21:49 -0200, Diego Manhães Pinheiro wrote:
> 
>>> For example:
>>> a magnitude for 1953-10 would be the number of months 0001-01 to 1953-10
>> I think you missed an important point : magnitude must be a numeric
>> value as days (page 58 on data_types spec.) on DV_DATE objects and in
>> the seconds( page 59 ) for DV_TIME and DV_DATE_TIME (page 60), being
>> able to accept a partial or non-partial date/time format. So, How
>> should I proceed ?
> 
> The openEHR specs are wrong or incomplete.  You cannot do this without
> further guidance from the specs.  So we deviate and document the
> differences.  As I said, I think the rational thing to do is go with the
> smallest units available in a partial datetime.  In any case where you
> might find data that is YYYY-MM-??:HH  you cannot go with hours. Months
> is the small full unit you have. 
Ok, but this case never will happen. The partial date/time only applies
to the fractional seconds to the year unit, following this order strictly.
> 
> Does that make sense? 
Yes, but I'm not totally convinced that partial date/time need to be
handled with different units. Anyway, this approach doesn't allow
compare a partial with a non-partial date/time without normalize the
numbers everytime that a object date/time is compared to other date/time
object.
> 
> 
>> Thanks. I didn't have any options, unless ask on the mailing list.
>> This topic is totally messed up both on the specification and on the
>> Internet.
> 
> That is what happens when thoughtless people design standards :-)
> 
> 
> --Tim
> 
> 
> 

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