Re: [Virtuoso-users] Possible compatibility between 6.1.16 and 6.1.8?

2014-02-03 Thread Frederick Giasson

Hi Hugh,



You can track withthe atom feed, to see when a fix for this issue has 
been published:


https://github.com/openlink/virtuoso-opensource/commits/develop/6.atom

or you could log the issue on the git tracker and would get 
notification when the issue has been fixed ...


https://github.com/openlink/virtuoso-opensource/issues?state=open


Good thanks, just did it here:

https://github.com/openlink/virtuoso-opensource/issues/131


Thanks,

Fred
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[Virtuoso-users] Dump graph to file

2014-02-03 Thread Dimitris Kontokostas
Hi

I am trying to dump a graph to file as RDF (ttl or nt preferred)
I use the following code (according to some old notes)

create procedure
graph_to_ttl_file (in graph_iri varchar, in f_name varchar)
{
   declare ses any;
   ses := string_output();

   DB.DBA.RDF_GRAPH_TO_TTL (graph_iri, ses);
   string_to_file (f_name, ses, 0);
}

But when I run it I get a strange error
SQL graph_to_ttl_file('http://my.graph.com
','/opt/dumps/dump_20140203.ttl');

*** Error 22023: [Virtuoso Driver][Virtuoso Server]SR460: Function
http_escape needs a varbinary or varchar argument 1 with length more than
zero, not an arg of type DB_NULL (204)
at line 1 of Top-Level:
graph_to_ttl_file('http://live.dbpedia.org','/opt/live/dump_20140203.ttl')

By looking at the function list
http://docs.openlinksw.com/virtuoso/functions.html
RDF_GRAPH_TO_TTL is missing, is it outdated? is there another option to
achieve this?

Thanks,
Dimtiris

-- 
Kontokostas Dimitris
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Re: [Virtuoso-users] Dump graph to file

2014-02-03 Thread Purohit, Sumit
Hi Dimitris,
I recently used following procedure(s) to dump rdf graph into ttl files.
http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRDFDatasetDump


and these worked perfectly . I am not sure about validity of the link you 
provided but you can try above link.
Hope this helps.

Thanks
Sumit Purohit

From: Dimitris Kontokostas [mailto:jimk...@gmail.com]
Sent: Monday, February 03, 2014 10:26 AM
To: virtuoso-users
Subject: [Virtuoso-users] Dump graph to file

Hi

I am trying to dump a graph to file as RDF (ttl or nt preferred)
I use the following code (according to some old notes)

create procedure
graph_to_ttl_file (in graph_iri varchar, in f_name varchar)
{
   declare ses any;
   ses := string_output();

   DB.DBA.RDF_GRAPH_TO_TTL (graph_iri, ses);
   string_to_file (f_name, ses, 0);
}

But when I run it I get a strange error
SQL graph_to_ttl_file('http://my.graph.com','/opt/dumps/dump_20140203.ttl');

*** Error 22023: [Virtuoso Driver][Virtuoso Server]SR460: Function http_escape 
needs a varbinary or varchar argument 1 with length more than zero, not an arg 
of type DB_NULL (204)
at line 1 of Top-Level:
graph_to_ttl_file('http://live.dbpedia.org','/opt/live/dump_20140203.ttl')

By looking at the function list 
http://docs.openlinksw.com/virtuoso/functions.html
RDF_GRAPH_TO_TTL is missing, is it outdated? is there another option to achieve 
this?

Thanks,
Dimtiris

--
Kontokostas Dimitris
--
Managing the Performance of Cloud-Based Applications
Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
Read the Whitepaper.
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