canvas-lms/db/migrate/20111122162413_submission_points_possible_fix_column.rb

class SubmissionPointsPossibleFixColumn < ActiveRecord::Migration
  def self.up
    change_column :quiz_submissions, :quiz_points_possible, :float
  end

  def self.down
    change_column :quiz_submissions, :quiz_points_possible, :integer
  end
end