annotate db/migrate/021_add_tracker_position.rb @ 444:b461f84ed41a feature_36

Publications: Routes for regular REST behaviour; Import view and controller action; New beahviour for new action.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Sat, 04 Jun 2011 18:08:01 +0100
parents 513646585e45
children 622f24f53b42
rev   line source
Chris@0 1 class AddTrackerPosition < ActiveRecord::Migration
Chris@0 2 def self.up
Chris@0 3 add_column :trackers, :position, :integer, :default => 1
Chris@0 4 Tracker.find(:all).each_with_index {|tracker, i| tracker.update_attribute(:position, i+1)}
Chris@0 5 end
Chris@0 6
Chris@0 7 def self.down
Chris@0 8 remove_column :trackers, :position
Chris@0 9 end
Chris@0 10 end