Re: [Virtuoso-users] Data Integrity in RDF?

2013-04-22 Thread Alexey Zakhlestin
On 23.04.2013, at 2:16, Matías Parodi wrote: > By the way, what is the best way to use Virtuoso from Ruby on Rails? I think > there isn't any ActiveRecord support at the moment nor any still-maintained > adapter for Ruby (all I found were a couple of outdated project). Here's some recent proje

[Virtuoso-users] Fwd: Data Integrity in RDF?

2013-04-22 Thread Matías Parodi
Hello, I've been trying different alternatives to use a RDF store in a Rails 3 Web application instead of a traditional relational database.. This application requires that the data is somehow valid (not null constraints for example), and as you may know, it's somehow impossible to force that whi

Re: [Virtuoso-users] large load failed

2013-04-22 Thread Hugh Williams
Hi Roland, You should use the Virtuoso RDF Bulik Loader for loading such large datasets as detailed at: http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtBulkRDFLoader From the error you report it would appear a checkpoint is being performed in the middle of your load, so

[Virtuoso-users] large load failed

2013-04-22 Thread Roland Cornelissen
Hi, I am trying to load a large dataset (~50GB) and bumped into: *** Error 40001: [Virtuoso Driver][Virtuoso Server]SR325: Transaction aborted due to a database checkpoint or database-wide atomic operation. Please retry transaction at line 10 of Top-Level: ttlp_mt (file_to_string_output ('/usr/

Re: [Virtuoso-users] Virtuoso 37000 Error SP031

2013-04-22 Thread Hugh Williams
Hi Markus, Can you please confirm the version of Virtuoso being used by running the command: virtuoso-t -? As there was a fix for a similar SP031 error in February, thus I would suggest you try using the latest Virtuoso open source develop/6 build from github, if not doing so already,

[Virtuoso-users] Virtuoso 37000 Error SP031

2013-04-22 Thread Markus Freudenberg
Hello there, i'm getting this error while using a subquery: (on version 6.1.76) Virtuoso 37000 Error SP031: SPARQL compiler: Internal error: sparp_tree_full_copy() is used to copy req_top with nonzero equiv_count The subquery works fine on its own and returns a scalar value: SELECT ?s ?p ?o FRO