From 92e2147f61575ba42ffc2324d0f710cb4eac08ec Mon Sep 17 00:00:00 2001
From: Adam Ferguson <Adam.Brugh.Ferguson@gmail.com>
Date: Tue, 3 Apr 2012 15:29:21 -0400
Subject: [PATCH] remove_index not remove_column

---
 upgrade_migrations/version_1_1_2.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/upgrade_migrations/version_1_1_2.rb b/upgrade_migrations/version_1_1_2.rb
index 1157327..a4ef8e9 100644
--- a/upgrade_migrations/version_1_1_2.rb
+++ b/upgrade_migrations/version_1_1_2.rb
@@ -4,6 +4,6 @@ class Version04UpdateImpressionsTable < ActiveRecord::Migration
   end
 
   def self.down
-    remove_column :impressions, :impressionable_type_message_index
+    remove_index :impressions, :impressionable_type_message_index
   end
 end