make sure that join nodes are uniq

drogus · Dec 15, 2010 · 4cd3302 · 4cd3302
1 parent 491ce5b
commit 4cd3302
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
@@ -282,7 +282,7 @@ def build_joins(manager, joins)
         association.join_to(manager)
       end
 
-      manager.join_sources.concat join_nodes
+      manager.join_sources.concat join_nodes.uniq
       manager.join_sources.concat join_list
 
       manager