From 206ec83ced0097a97f431a8fe20d4fcbd8fdd4d5 Mon Sep 17 00:00:00 2001
From: Raimonds Simanovskis <raimonds.simanovskis@gmail.com>
Date: Tue, 16 Nov 2010 13:53:06 +0200
Subject: small additional fix for order_hacks method for Oracle

---
 lib/arel/visitors/oracle.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/arel/visitors/oracle.rb b/lib/arel/visitors/oracle.rb
index 00572213e6..ecb157f8bc 100644
--- a/lib/arel/visitors/oracle.rb
+++ b/lib/arel/visitors/oracle.rb
@@ -96,8 +96,12 @@ module Arel
         array = []
         i = 0
         string.split(',').each do |part|
-          array[i] ||= ""
-          array[i] << part
+          if array[i]
+            array[i] << ',' << part
+          else
+            # to ensure that array[i] will be String and not Arel::Nodes::SqlLiteral
+            array[i] = '' << part
+          end
           i += 1 if array[i].count('(') == array[i].count(')')
         end
         array
-- 
cgit v1.2.3