require 'carto/db/migration_helper' include Carto::Db::MigrationHelper migration( Proc.new do add_column :users, :company, String add_column :users, :phone, String add_column :users, :industry, String add_column :users, :job_role, String end, Proc.new do drop_column :users, :company drop_column :users, :phone drop_column :users, :industry drop_column :users, :job_role end )