- From: Richard Cyganiak <richard@cyganiak.de>
- Date: Wed, 10 Aug 2011 13:11:14 +0100
- To: Nuno Lopes <nuno.lopes@deri.org>
- Cc: W3C RDB2RDF <public-rdb2rdf-wg@w3.org>
On 10 Aug 2011, at 12:30, Nuno Lopes wrote: > Yes, the value transformations are actually defined in that section, it's nothing more than a rather long case distinction. I can collect these for the Wiki. That would be very useful. >> What was the story with the “and” for INTERVAL? > > By reading the overview I was assuming the and referred to a complex datatype, however in the details it seems that it is actually a restriction on xdt:yearMonthDuration if the SQL type is a year-month duration and on xdt:dayTimeDuration if the SQL type is a day-time duration. Ok, that kind of makes sense. > The problem is that so far I didn't find any definition for "year-month duration" and "day-time duration". ISO 9075-2 defines "year-month interval" and "day-time interval". The definition of <interval type> in 6.1 and <interval literal> in 5.3 is probably relevant to understand what's going on. Best, Richard > >> >> (I added an “Open Questions” subsection to the end of the wiki page.) >> >> Best, >> Richard >> >> >> >>> >>> Cheers, >>> -- >>> Nuno Lopes >>> >>> >>> >>> On 9 Aug 2011, at 19:03, Richard Cyganiak wrote: >>> >>>> Hi Nuno, >>>> >>>> I had another look at the wiki page: >>>> http://www.w3.org/2001/sw/rdb2rdf/wiki/Mapping_SQL_datatypes_to_XML_Schema_datatypes >>>> >>>> Ok, this answers what we ought to do with user-defined and constructed types. >>>> >>>> There are still a couple of questions open from here: >>>> http://lists.w3.org/Archives/Public/public-rdb2rdf-wg/2011Aug/0017.html >>>> >>>> Maybe you could comment on these? >>>> >>>> Cheers, >>>> Richard >>> >> > >
Received on Wednesday, 10 August 2011 12:11:42 UTC