class AprilParameterAdditions < ActiveRecord::Migration[5.1] NEW_STUFF = { movement_invert_2_endpoints_x: 0, movement_invert_2_endpoints_y: 0, movement_invert_2_endpoints_z: 0 } safety_assured def change NEW_STUFF.map do |(name, default)| add_column :firmware_configs, name, :integer, default: default end end end