Initial release of Discourse

db/migrate/20120425145456_add_display_username_to_users.rb

@@ -0,0 +1,15 @@
+class AddDisplayUsernameToUsers < ActiveRecord::Migration
+  def up
+    add_column :users, :display_username, :string
+    execute "UPDATE users SET display_username = username"
+    execute "UPDATE users SET username = REPLACE(username, ' ', '')"
+    add_index :users, :username, :unique
+  end
+
+  def down
+    remove_index :users, :username
+    execute "UPDATE users SET username = display_username"
+    remove_column :users, :display_username
+  end
+
+end