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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
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