GH-5028 Reduce duplicate use of Unique plan node

eclipse-rdf4j · Jun 12, 2024 · 87caad7 · 87caad7
1 parent 79496bb
commit 87caad7
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/core/sail/shacl/src/main/java/org/eclipse/rdf4j/sail/shacl/ast/planNodes/Unique.java b/core/sail/shacl/src/main/java/org/eclipse/rdf4j/sail/shacl/ast/planNodes/Unique.java
@@ -61,6 +61,11 @@ public static PlanNode getInstance(PlanNode parent, boolean compress) {
 		if (parent.isGuaranteedEmpty()) {
 			return parent;
 		}
+
+		if (parent instanceof Unique && (!compress || ((Unique) parent).compress == compress)) {
+			return parent;
+		}
+
 		return new Unique(parent, compress);
 	}