view db/migrate/021_add_tracker_position.rb @ 634:eaec823e6e23 live

Merge from branch "cannam"
author Chris Cannam
date Tue, 06 Sep 2011 09:47:02 +0100
parents 513646585e45
children 622f24f53b42
line wrap: on
line source
class AddTrackerPosition < ActiveRecord::Migration
  def self.up
    add_column :trackers, :position, :integer, :default => 1
    Tracker.find(:all).each_with_index {|tracker, i| tracker.update_attribute(:position, i+1)}
  end

  def self.down
    remove_column :trackers, :position
  end
end