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Posted to dev@clerezza.apache.org by "Enrico Daga (JIRA)" <ji...@apache.org> on 2014/04/11 19:00:20 UTC

[jira] [Created] (CLEREZZA-908) Cannot save XMLDatatype on literals in virtuso

Enrico Daga created CLEREZZA-908:
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             Summary: Cannot save XMLDatatype on literals in virtuso
                 Key: CLEREZZA-908
                 URL: https://issues.apache.org/jira/browse/CLEREZZA-908
             Project: Clerezza
          Issue Type: Bug
            Reporter: Enrico Daga
            Assignee: Enrico Daga


This problem raised some time ago for the first time but it needs some time to be clarified. Discussions has been done in the virtuoso mailing list [1].

Specifically, inserting a triple with a value of type rdf:XMLLiteral caused a string "0" to be inserted. At that time a partial solution was to serialize the whole triple as TTL and use a stored procedure db.dba.ttl(...) to save the triple. This worked, but caused the triple to loose the datatype (see [2]).

This is also what is currently implemented.

Anyway, this solution is bad for other reasons, especially:
- performance is too bad (serializes any triple...)
- you still don't have the correct datatype

[1] http://sourceforge.net/p/virtuoso/mailman/message/31987368/
[2] http://sourceforge.net/p/virtuoso/mailman/message/31992357/



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