class ModifyRoleIdAndPermissionColumn < ActiveRecord::Migration[6.0]
  def change
    Unity.all.each do |u|
     if u.role.name == 'admin'
       u.update_column :permission,"full"
     else
       u.update_column :permission,"limited"
     end
    end
    User.all.includes(:unities).each do |u|
     next if u.unities.first.blank?
     u.update_column :role_id, u.unities.first.role_id
    end
  end
end