slater

When TupleQuery sets label of the SelectClause as the language literal, it will throw exception

2

When `TupleQuery` sets label of the `SelectClause` as the language literal, it will throw "`org.eclipse.rdf4j.query.QueryEvaluationException: java.lang.IllegalArgumentException: datatype rdf:langString requires a language tag`" OpenLink Virtuoso Server | 07.20.3233 | Jun 22...

Under RDF4J, filter(STR(?label) = special character) is invalid

8

Under RDF4J, `filter(STR(?label) = special character)` is invalid

``` String queryStr = " select ?p ?o where { ?s ?p ?o. }"; try (VirtuosoRepositoryConnection connection = (VirtuosoRepositoryConnection) new VirtuosoRepository("jdbc:virtuoso://localhost:1111", "dba", "dba").getConnection()) { TupleQuery tupleQuery = connection.prepareTupleQuery(queryStr); tupleQuery.setBinding("s", connection.getValueFactory().createIRI("http://dbpedia.org/resource/北京"));...

"graph" leads to inconsistent results of property path query.

3

``` $ ./virtuoso-t -? Virtuoso Open Source Edition (Column Store) (multi threaded) Version 7.2.7.3234-pthreads as of May 18 2022 (67261301a) Compiled for Linux (x86_64-generic_glibc25-linux-gnu) Copyright (C) 1998-2022 OpenLink Software ```...