array('constraint' => 11, 'type' => 'int', 'auto_increment' => true), 'column1' => array('constraint' => 10, 'type' => 'varchar'), 'column2' => array('constraint' => 11, 'type' => 'int'), 'column3' => array('type' => 'datetime'), 'column4' => array('type' => 'text'), 'created_at' => array('type' => 'timestamp'), 'updated_at' => array('type' => 'timestamp'), ), array('id')); } public function down() { \DBUtil::drop_table('tablenames'); } }