dbforge->add_field(array( 'id' => array( 'type' => 'INT', 'constraint' => 5, 'unsigned' => TRUE, 'auto_increment' => TRUE ), 'callsign' => array( 'type' => 'VARCHAR', 'constraint' => '100', ), 'upload_date' => array( 'type' => 'datetime', 'null' => TRUE, ), )); $this->dbforge->add_key('id', TRUE); $this->dbforge->create_table('lotw_userlist'); } public function down() { $this->dbforge->drop_table('lotw_userlist'); } }