Hi Nicolas, I have just tried this myself with a local table, and get the VDB error you report, which looks like a bug in the Conductor RDFView UI which is shared between the commercial and open source products, as it does not have to perform any VDB operations to process local tables. We should be able to quickly fix this is the Conductor VAD package and provide you with a update VAD to install ...
Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 26 May 2010, at 13:11, Nicolas Figay wrote: > Hi Hugh (and Armin) > > Thanks a lot for responding and for the useful links, in particular the > matrix that complements the FAQ. > > My question was motivated by some difficulty using RDF views on internal > databases: > > Let's give a precise exemple: > > I tried to create a RDF view on the table thalia.demo.cmu, through > database<rdfview pan. > > For column selection, I clicked on primary key selection. > Then a message , I had the following message: > External data sources:This Virtual Database feature is available only in the > commercial release of Virtuoso Universal Server. For more information on the > commercial release of the Virtuoso Universal Server, click on the following > links to learn more: > > I then tried, after going back, the generation by clicking "generate" button. > The message I had is the following: "This version do not support tables > without primary key, please remove table thalia.demo.cmu from set" > > So I was (and I'm still) a little bit perplex, as it is not obvious to me if > RDF View creation on a database is a part of virtual database functional > component (which is not a part of open solution) or if there is a limitation > of open solution (that does not exist with commercial version) when creating > a RDF view on a table without a primary key. > > It was the reason why I was desespately looking for detailed and clear > differences between open and commercial version, having difficulties to find > required information to understand the origins of encountered messages. > > So more precisely, my questions should be about the encountered issues and > messages I had: > > is the fact that creation of a RDF view without primary key does not work > comes from usage of the open version? > is creation of RDF view a fearure of Virtual Database? > or is encountered problems come from the fact thalia database is an exemple > of external datasource? > > > knowing that what I would like to do is to understand how a database in > virtuoso can be accessed through a RDF view, hopping it is a feature of open > version. > > > Best regards. > > Nicolas > > > > > > > 2010/5/26 Hugh Williams <[email protected]> > Hi Nicolas, > > The differences between the commercial and open source products are listed in > the following feature comparison matrix: > > http://virtuoso.openlinksw.com/main/featurematrix/index.htm > > In summary the following are commercial features only: > > - Virtual Database Engine > - Replication > - Clustering and high availability > - Geo-Spatial Extensions > > Best Regards > Hugh Williams > Professional Services > OpenLink Software > Web: http://www.openlinksw.com > Support: http://support.openlinksw.com > Forums: http://boards.openlinksw.com/support > Twitter: http://twitter.com/OpenLink > > On 26 May 2010, at 11:40, Nicolas Figay wrote: > > > Hi, > > > > investigating functional coverage of virtuoso (as I'm a teacher in the are > > of semantic web and digital collaboration field), I've some difficulties to > > clearly understand what the limitations are for open source communitary > > virtuoso openlink, compared to enterprise version. > > > > Some are appearing when trying to use the tool, for example creation of RDF > > views on tables of a database, but it is difficult to identify quicly what > > could be investigated for demonstration and what we should forget relying > > only on community edition. > > > > Is there a place or a document where differences are listed, as > > restrictions of community edition (version 6.x)? > > > > Thanks by advance. > > > > Nicolas > > ------------------------------------------------------------------------------ > > > > _______________________________________________ > > Virtuoso-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/virtuoso-users > >
