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Subject: Re: [xacml] The duration data types
All, I have tried to search the XACML email archives for this issue. I found the following discussion which mentions restricting the general XML schema data type to yearMonth and DayTime: http://lists.oasis-open.org/archives/xacml/200207/msg00133.html So it appears it was a conscious decision. I found the following discussion which mentions that the data types were introduces to cover the use case of "being 21": http://lists.oasis-open.org/archives/xacml/200305/msg00061.html Since there seems to be some kind of motivation for the current design, although it is not entirely clear to me, and since it is easier to add new functions in some future specification than it is to clean up things if we end up with needless functions, I would lean towards not introducing the xs:duration data type in 3.0. In the worst case it is possible to add a full duration to a datetime by doing a two step procedure where you add the yearMonth and dayTime parts separately. Any thoughts? Best regards, Erik Erik Rissanen wrote: > All, > > Why is the xs:duration datatype not part of XACML, while the two > restrictions on this data type, xs:dayTimeDuration and > xs:YearMonthDuration are? > > Should we include xs:duration and the function ...:dayTime-add-duration? > > It seems strange that currently it is possible to add a year and a > month to a datetime, or add a day and a time, but you cannot do both > at once. Was there a reason for this? > > Regards, > Erik > > > --------------------------------------------------------------------- > To unsubscribe from this mail list, you must leave the OASIS TC that > generates this mail. You may a link to this group and all your TCs in > OASIS > at: > https://www.oasis-open.org/apps/org/workgroup/portal/my_workgroups.php
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