Contents

class AddQuantityToOrderLineItems < ActiveRecord::Migration
  def up
    unless columns(:order_line_items).collect {|c| c.name}.include?('quantity')
      add_column :order_line_items, :quantity, :integer
    end
  end

  def down
    if columns(:order_line_items).collect {|c| c.name}.include?('quantity')
      remove_column :order_line_items, :quantity
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
erp_orders-4.0.0	db/migrate/20130620203217_add_quantity_to_order_line_items.rb
erp_orders-3.1.1	db/migrate/20130620203217_add_quantity_to_order_line_items.rb