Re: [Virtuoso-users] Unexpected empty result set from SQL

2012-10-15 Thread mg
Hi, we are running a Virtuoso Open Source Server @ version 06.01.3127 and are wondering how to enable log rotation for the error log file. With external log rotation, i.e. renaming of the log file while the server is up, the server keeps writing to the renamed file. At a first glance, I cannot

Re: [Virtuoso-users] Unexpected empty result set from SQL

2012-10-12 Thread David Brooks
Great! I look forward to the fix. At the SPARQL level my queries tend to have the form: select ?resource where { graph { ?graph a . # more conditions on ?graph } graph ?graph { # conditions to find ?resource } } so presumably the structure of the resulting SQL is tri

Re: [Virtuoso-users] Unexpected empty result set from SQL

2012-10-12 Thread Hugh Williams
Hi David, I have been able to recreate this issue locally with the sample database you provide and have reported to development to look into. I shall let you know when we have resolution this ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http:

[Virtuoso-users] Unexpected empty result set from SQL

2012-10-11 Thread David Brooks
Hi, I now have a SQL query that returns an empty result set when a condition matching the expected result is part of the query... The SQL was obtained by translating from SPARQL whilst investigating one of my issues from last week. Exactly the same behaviour occurs on a 64-bit OS/X version of