class ChangeResultQuantities < ActiveRecord::Migration[4.2] def self.up change_column :group_order_article_results, :quantity, :decimal, precision: 6, scale: 3 change_column :order_article_results, :units_to_order, :decimal, precision: 6, scale: 3, null: false end def self.down change_column :group_order_article_results, :quantity, :integer, null: false change_column :order_article_results, :units_to_order, :integer, default: 0, null: false end end