Github user afs commented on a diff in the pull request:
https://github.com/apache/jena/pull/320#discussion_r154326766
--- Diff:
jena-text/src/main/java/org/apache/jena/query/text/TextQueryPF.java ---
@@ -347,11 +352,15 @@ private StrMatch objectToStruct(PropFuncArg
argObject, boolean executionTime) {
log.warn("Text query string is not a literal " + list) ;
return null ;
}
-
- if (x.getLiteralDatatype() != null &&
!x.getLiteralDatatype().equals(XSDDatatype.XSDstring)) {
--- End diff --
Comment:
In RDF 1.1, the data type of a literal is never null.
There are functions like `Util.isLangString` (in RDF 1.1: rdf:langString)
and `Util.isSimpleString` (in RDF 1.1, xsd:string) that mask the RDF1.0/RDF 1.1
mode setting (not that Jena claims to support RDF 1.0 any more).
---