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view db/migrate/021_add_tracker_position.rb @ 1074:b98e55985cb7 luisf

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Merge
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Wed, 21 Nov 2012 16:04:55 +0000
parents 513646585e45
children 622f24f53b42
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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