Github user afs commented on a diff in the pull request:
https://github.com/apache/jena/pull/237#discussion_r116365710
--- Diff: jena-arq/src/main/java/org/apache/jena/sparql/expr/NodeValue.java
---
@@ -774,19 +772,10 @@ private static int compare(NodeValue nv1, NodeValue
nv2, boolean sortOrderingCom
}
case VSPACE_SORTKEY :
{
- int cmp = 0;
- String c1 = nv1.getCollation();
- String c2 = nv2.getCollation();
- if (c1 != null && c2 != null && c1.equals(c2)) {
- // locales are parsed. Here we could think about
caching if necessary
- Locale desiredLocale = Locale.forLanguageTag(c1);
- // collators are already stored in a concurrent map by
the JVM, with <locale, softref<collator>>
- Collator collator =
Collator.getInstance(desiredLocale);
- cmp = collator.compare(nv1.getString(),
nv2.getString());
- } else {
- cmp = XSDFuncOp.compareString(nv1, nv2) ;
+ if (!(nv1 instanceof NodeValueSortKey) || !(nv2 instanceof
NodeValueSortKey)) {
+ raise(new ExprNotComparableException("Can't compare
(not node value sort keys) "+nv1+" and "+nv2)) ;
}
- return cmp;
+ return ((NodeValueSortKey)
nv1).compareTo((NodeValueSortKey) nv2);
}
--- End diff --
Should that be `nv1.getSortKey()`? All the NodeValues have downcast
operations getXYZ().
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