Merge pull request #5271 from vnickolov/triangle-count-bug-1.8

Fix TC bug on node filtered graphs

Author: lassewesth

algo/src/main/java/org/neo4j/gds/triangle/intersect/NodeFilteredGraphIntersect.java

@@ -46,9 +46,9 @@ public void intersectAll(long nodeIdA, IntersectionConsumer consumer) {
         wrappedRelationshipIntersect.intersectAll(filteredGraph.toRootNodeId(nodeIdA), (a, b, c) -> {
             if (filteredGraph.contains(a) && filteredGraph.contains(b) && filteredGraph.contains(c)) {
                 consumer.accept(
-                    filteredGraph.toMappedNodeId(a),
-                    filteredGraph.toMappedNodeId(b),
-                    filteredGraph.toMappedNodeId(c)
+                    filteredGraph.getFilteredMappedNodeId(a),
+                    filteredGraph.getFilteredMappedNodeId(b),
+                    filteredGraph.getFilteredMappedNodeId(c)
                 );
             }
         });

core/src/main/java/org/neo4j/gds/core/huge/NodeFilteredGraph.java

@@ -211,7 +211,7 @@ public Stream<RelationshipCursor> streamRelationships(long nodeId, double fallba
             .map(rel -> ImmutableRelationshipCursor.of(filteredIdMap.toMappedNodeId(rel.sourceId()), filteredIdMap.toMappedNodeId(rel.targetId()), rel.property()));
     }
 
-    long getFilteredMappedNodeId(long nodeId) {
+    public long getFilteredMappedNodeId(long nodeId) {
         return filteredIdMap.toMappedNodeId(nodeId);
     }