Hi,

On Thu, Nov 26, 2009 at 1:00 PM, Ivan Mikhailov
<[email protected]> wrote:
> Hello Christian,
>
>> I'm having a problem when I try to recover inserted triples which had
>> xsd:boolean datatypes,  after insertion, they seem to be turned into
>> xsd:integer
>
>
> There's no BOOL built-in type in SQL so no such in the database. However
> there was a discussion yesterday with a conclusion that we will try to
> introduce BOOL, at least in some parts of SQL interpreter, so
> xsd:boolean will be accurately preserved without the loss of efficiency.
> I'll report the progress.

That's interesting Ivan.
I really think lack of support for Bool OOTB creates a gap of expectation.

I knew the answer to this but I told Cristian to ask anyway, because
he was really surprised to see a different TTL coming out from what he
put in and rightfully so.

>
> It's an open issue what to do with xsd:byte and other types derived from
> xsd:integer. Nobody asked for them now but we can't predict if there
> will be requests in the future :|

I think its a problem worth considering.
Not necessarily custom derived XSD types, but at least those available
natively because they are in use (somewhere).

Although I have not seen any RDF corpus using anything else than
string, date, float, integer and bool yet, so impementing them in an
on-demand basis seems smart.

PS: Virtuoso will be used in every other company around the world so
people will eventually ask for them ;)

Regards,
A

>
> Best Regards,
>
> Ivan Mikhailov
> OpenLink Software
> http://virtuoso.openlinksw.com
>
>
>
>
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-- 
Aldo Bucchi
skype:aldo.bucchi
http://www.univrz.com/
http://aldobucchi.com/

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