rails_galm/db/migrate/20090311215350_add_common_costs_to_load.rb

class AddCommonCostsToLoad < ActiveRecord::Migration
  def self.up
    add_column :loads, :fuel_gallons, :decimal, :precision => 8, :scale => 3, :default => 0
    add_column :loads, :fuel_cost, :decimal, :precision => 8, :scale => 2, :default => 0
    add_column :loads, :scales, :decimal, :precision => 6, :scale => 2, :default => 0
    add_column :loads, :loading, :decimal, :precision => 6, :scale => 2, :default => 0
    add_column :loads, :unloading, :decimal, :precision => 6, :scale => 2, :default => 0
    add_column :loads, :stops, :integer, :default => 0
  end

  def self.down
    remove_column :loads, :stops
    remove_column :loads, :unloading
    remove_column :loads, :loading
    remove_column :loads, :scales
    remove_column :loads, :fuel_cost
    remove_column :loads, :fuel_gallons
  end
end