lib/neo4j/active_node/has_n.rb in neo4j-10.0.0.pre.alpha.2 vs lib/neo4j/active_node/has_n.rb in neo4j-10.0.0.pre.alpha.3

@@ -101,10 +101,10 @@
         @cached_result ||= []
       end
 
       def add_to_cache(object, rel = nil)
         (@cached_rels ||= []) << rel if rel
-        (@cached_result ||= []) << object
+        (@cached_result ||= []).tap { |results| results << object unless results.include?(object) }
       end
 
       def rels
         @cached_rels || super
       end