remove trailing whitespaces ❤️

db/migrate/20121123054127_make_post_number_distinct.rb

@@ -2,22 +2,22 @@ class MakePostNumberDistinct < ActiveRecord::Migration
   def up
 
     Topic.exec_sql('update posts p
-set post_number = calc 
+set post_number = calc
 from
 (
-	select 
-		id, 
-		post_number, 
-		topic_id, 
+	select
+		id,
+		post_number,
+		topic_id,
 		row_number() over (partition by topic_id order by post_number, created_at) calc
-	from posts 
+	from posts
 	where topic_id in (
 	select topic_id from posts
 	  group by topic_id, post_number
 	  having count(*)>1
 	)
 
-) as X 
+) as X
 where calc <> p.post_number and X.id = p.id')
 
     remove_index :posts, :forum_thread_id_and_post_number
@@ -25,7 +25,7 @@ where calc <> p.post_number and X.id = p.id')
   end
 
   def down
-    # don't want to mess with the index ... its annoying 
+    # don't want to mess with the index ... its annoying
     raise ActiveRecord::IrreversibleMigration
   end
 end