Re: [Virtuoso-users] SPARQL processor sensitive to text length of queries.

Hi Hugh, I had this as two curl commands, one that returned an empty result set, the other good, then tried using trace_on() to see if anything showed. Nothing apparent in the log files so restarted Virtuoso in the foreground and of course the problem went away. I did try your query (before t

Re: [Virtuoso-users] SPARQL processor sensitive to text length of queries.

Hi David, You can use the Virtuoso explain() function to obtain the query execution plan: http://docs.openlinksw.com/virtuoso/fn_explain.html There is also a sparql_to_sql_text function: http://docs.openlinksw.com/virtuoso/fn_sparql_to_sql_text.html As well as the trace_on() fu

Re: [Virtuoso-users] SPARQL processor sensitive to text length of queries.

Hi Hugh, I noticed things weren't right using the SPARQL endpoint so cut and pasted the query into Conductor's interface. It behaves properly with isql. I have had issues (using /sparql) with textually long queries that returned empty result sets, so tried adding newlines at appropriate plac

Re: [Virtuoso-users] SPARQL processor sensitive to text length of queries.

Hi David, I am unable to recreate this issue, as with one, two or no space a query of a similar form works for me. Actually try it on your instance as it is against one of the system graphs: SELECT distinct ?s where { graph {?s virtrdf:item

Re: [Virtuoso-users] Virtuoso S0022 Error SQ200: No column errors with MINUS

Hi David, If you can provide a copy of the database giving the problem that would be useful as it would appear to be some state it is in rather than the binaries themselves ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.co