class ChangeUserDobField < ActiveRecord::Migration[6.0]
  def up
    change_table :Users, bulk: true do |t|
      t.change :DOB, :date, null: true, default: 0000-00-00
    end
  end

  def down
    change_table :Users, bulk: true do |t|
      t.change :DOB, :date, null: false, default: 0000-00-00
    end
  end
end