Aklakan commented on code in PR #3254:
URL: https://github.com/apache/jena/pull/3254#discussion_r2148430230
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jena-arq/src/main/java/org/apache/jena/sparql/syntax/syntaxtransform/ElementTransformSubst.java:
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@@ -144,7 +147,10 @@ public ElementSubQuery transform(ElementSubQuery subQuery,
Query newQuery) {
public ElementData transform(ElementData data) {
// Check for var-var. If none, no work to do.
List<Var> vars = data.getVars();
- boolean workToDo = vars.stream().anyMatch(v->mapping.containsKey(v));
+ boolean workToDo = vars.stream().anyMatch(v-> {
+ Node n = nodeTransform.apply(v);
+ return n != null && !v.equals(n);
+ });
Review Comment:
This intent of this change is to remove the need for the explicit Map next
to the NodeTransform.
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