Hi Jerven, Does the same error occur when the query is run against the /sparql endpoint or isql ie not via the JDBC Driver ?
Also, are you able to get the query “profile” or “sparql_to_sql_text” for the query as detailed at: https://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtTipsAndTricksAanalyzingSPARQLQuery <https://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtTipsAndTricksAanalyzingSPARQLQuery> What version of Virtuoso is being used, is it a latest 07.20.3217 build ? 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 6 Feb 2017, at 16:08, Jerven Tjalling Bolleman <jerven.bolleman@sib.swiss> > wrote: > > Dear Virtuoso users, > > I am getting an new error from virtuoso, during development of a new > feature > > > SPARQL execute failed:[SELECT (COUNT(?target) AS ?targets) { GRAPH > <http://sparql.uniprot.org/uniprot>{?subject a > <http://purl.uniprot.org/core/MRNA> . ?target a > <http://biohackathon.org/resource/faldo#ExactPosition> . ?subject > <http://purl.uniprot.org/core/author> ?target .}}] > > Exception:virtuoso.jdbc4.VirtuosoException: SQ156: Internal Optimized > compiler error : sqlo table has no index in sqldf.c:3777. > Please report the statement compiled. > > > Regards, > Jerven > > -- > Jerven Tjalling Bolleman > SIB | Swiss Institute of Bioinformatics > CMU - 1, rue Michel Servet - 1211 Geneva 4 > t: +41 22 379 58 85 - f: +41 22 379 58 58 > Jerven.Bolleman@sib.swiss - http://www.sib.swiss > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Virtuoso-users mailing list > Virtuoso-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/virtuoso-users
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