Hi Nicola,

If not already done, you could try running the DB.DBA.VT_INDEX_DB_DBA_RDF_OBJ 
() to reindex that data. Note there is also the "DB.DBA.RDF_OBJ_FT_RECOVER ()"  
which inserts missing indexes that could be tried running as well indicated at:

        
http://docs.openlinksw.com/virtuoso/sparqlextensions.html#rdfsparqlrulespecifywhatindex

Best Regards
Hugh Williams
Professional Services
OpenLink Software, Inc.      //              http://www.openlinksw.com/
Weblog   -- http://www.openlinksw.com/blogs/
LinkedIn -- http://www.linkedin.com/company/openlink-software/
Twitter  -- http://twitter.com/OpenLink
Google+  -- http://plus.google.com/100570109519069333827/
Facebook -- http://www.facebook.com/OpenLinkSoftware
Universal Data Access, Integration, and Management Technology Providers

On 20 May 2014, at 11:34, Nicola Vitucci <nicola.vitu...@gmail.com> wrote:

> Hi Hugh,
> 
> the "rc2" version is 7.0.0-rc2.3203 (SHA =
> 48f0ef879b913c5d3b306c1f83390079c5416fe6), while the "latest" is
> 7.1.1-dev.3208-pthreads (SHA = 32bc49a3368dc2303e3e4f0825752790f86de867).
> 
> Do you think that, rather than reloading the triples (which would take a
> while), using DB.DBA.VT_INDEX_DB_DBA_RDF_OBJ () on the "rc2" version and
> the existing data would make any sense?
> 
> Thank you,
> 
> Nicola
> 
> Il 19/05/2014 23:53, Hugh Williams ha scritto:
>> Hi Nicola,
>> 
>> What are the versions of what you describe as "latest version of
>> Virtuoso 7"  and "rc2" , please provide the output of  "virtuoso-t -?"
>> for both ?
>> 
>> I assume they would be the git stable/7  (3207 build) vs the git
>> develop/7 (3208 build) ?
>> 
>> I am not sure what you current triple count is but you could consider
>> dumping the triples from the original database to file and reloading
>> them into an empty database with the new binary using the dump and
>> reload scripts at:
>> 
>> http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRDFDatasetDump
>> 
>> Best Regards
>> Hugh Williams
>> Professional Services
>> OpenLink Software, Inc.      //              http://www.openlinksw.com/
>> Weblog   -- http://www.openlinksw.com/blogs/
>> LinkedIn -- http://www.linkedin.com/company/openlink-software/
>> Twitter  -- http://twitter.com/OpenLink
>> Google+  -- http://plus.google.com/100570109519069333827/
>> Facebook -- http://www.facebook.com/OpenLinkSoftware
>> Universal Data Access, Integration, and Management Technology Providers
>> 
>> On 19 May 2014, at 14:15, Nicola Vitucci <nicola.vitu...@gmail.com> wrote:
>> 
>>> Hi all,
>>> 
>>> I recently copied a database created with the latest version of Virtuoso
>>> 7 to an instance using the rc2 version and I got these errors in the log
>>> file:
>>> 
>>> ...
>>> 12:59:14 The xpf extension function
>>> http://www.openlinksw.com/virtuoso/xslt/:json-esc-text->DB.DBA.JSON_ESC_TEXT
>>> does not exist. Please delete the corresponding row from
>>> DB.DBA.SYS_XPF_EXTENSIONS and restart the server.
>>> 12:59:15 Roll forward started
>>> 12:59:15 Roll forward complete
>>> 12:59:15 Error executing a server init statement : 22023: SR496:
>>> Property <http://www.openlinksw.com/schemas/virtrdf#qmfHasCheapSqlval>
>>> is not a field of struct qm_format_s, RDF class
>>> <http://www.openlinksw.com/schemas/virtrdf#QuadMapFormat> --
>>> DB.DBA.RDF_QUAD_FT_UPGRADE ()
>>> ...
>>> 
>>> Now, if I run any full text search query using bif:contains, I do not
>>> get any results. I also tried the DB.DBA.RDF_AUDIT_METADATA() function
>>> but I don't get any result from it. For the time being I cannot update
>>> the rc2 instance to a more recent version, so is there anything I can do
>>> to restore the full text search capability, possibly without resorting
>>> to rebuild the full text index (which I'm not even sure would work)?
>>> 
>>> Thanks,
>>> 
>>> Nicola
>>> 
>>> ------------------------------------------------------------------------------
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>> 
> 
> ------------------------------------------------------------------------------
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