1 files changed, 4 insertions, 0 deletions
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index a350daa3da..f5be934ba5 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -254,6 +254,10 @@ key on UpdateManager using UpdateManager#key=
         "(#{visit o.expr})"
       end
 
+      def visit_Arel_SelectManager o
+        "(#{o.to_sql.rstrip})"
+      end
+
       def visit_Arel_Nodes_Ascending o
         "#{visit o.expr} ASC"
       end