Remove duplicates when mixing bound variables from generated subquery…

… with joined relation
take-five · Dec 28, 2014 · 55e34ed · 55e34ed
1 parent 949e13b
commit 55e34ed
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/active_record/hierarchical_query/join_builder.rb b/lib/active_record/hierarchical_query/join_builder.rb
@@ -15,8 +15,8 @@ def initialize(query, join_to, subquery_alias)
 
       def build
         relation = @relation.joins(inner_join.to_sql)
-        # copy bound variables from inner subquery
-        relation.bind_values += bind_values
+        # copy bound variables from inner subquery (remove duplicates)
+        relation.bind_values |= bind_values
         # add ordering by "__order_column"
         relation.order_values += order_columns if ordered?