_table = 'common_optimizer'; $this->_pk = 'k'; parent::__construct(); } public function fetch($skey, $auto_unserialize = false) { $data = DB::result_first('SELECT v FROM '.DB::table($this->_table).' WHERE '.DB::field($this->_pk, $skey)); return $auto_unserialize ? (array)unserialize($data) : $data; } public function update($skey, $svalue){ return DB::insert($this->_table, array($this->_pk => $skey, 'v' => is_array($svalue) ? serialize($svalue) : $svalue), false, true); } public function fetch_all($skeys) { return DB::fetch_all('SELECT * FROM '.DB::table($this->_table).' WHERE '.DB::field($this->_pk, $skeys)); } } ?>