driver valas_datatable

    function valas_datatable($params, $debug = FALSE) {
        ob_start();
        $CI = & get_instance();
        $result = array(
            'raw' => array(),
            'data' => array(),
            'sql' => array(),
            'time' => array(),
            'params' => $params,
            'head' => array()
        );
        $get = isset($params['get']) ? $params["get"] : FALSE;

        /* Konfigurasi datatable */
        $result['draw'] = isset($get['draw']) ? $get['draw'] : rand(10000, 99999);
        $result['recordsTotal'] = $result['recordsFiltered'] = 0; //default
        $result['time']['start'] = microtime(); //wajib ada.. buat debug proses mana yg lambat
        $result['recordsTotal'] = $result['recordsFiltered'] = $CI->items_db
            ->valas_get_data(array(), 1, 0, TRUE);
        $start = isset($get['start']) ? $get['start'] : 0;
        $limit = isset($get['length']) ? $get['length'] : 10;

        $data_city = array();
        $filters = array();

        /* Konfigurasi sort by */
        $result['time']['sort 1'] = microtime();
        $column = "u_modified";
        if (isset($get['order'][0])) {
            $pos_column = $get['order'][0]['column'];
            $filters['order_dir'] = $get['order'][0]['dir'];
            if ($pos_column == 0) {
                $column = 'item_code';
            }
            if ($pos_column == 1) {
                $column = 'item_title';
            }
            if ($pos_column == 4) {
                $column = 'item_status';
            }

            $filters['order_by'] = array($column, $filters['order_dir']);
        }

        $result['time']['sort 2'] = microtime();

        /* ===== Konfigurasi Search ===== */
        $SEARCH = $get['search']['value'];
        if (!isset($params['limit'])) {
            if (!isset($SEARCH)) { // Apabila tidak ada pencarian
                // Perhatikan bahwa dalam model user perlu ada perbaikan
                $raw_data = $CI->items_db
                    ->valas_get_data($filters, $limit, $start, FALSE, true);
                $result['time']['get all'] = microtime();
                $result['raw']['r'] = $raw_data;
                $result['sql'][] = isset($raw_data['sql']) ? $raw_data['sql'] : '';
                $raw_data = $raw_data['data'];
            } else {
                $filters['datatable_search'] = $SEARCH;
                $raw_data = $CI->items_db->_get_data($filters, $limit, $start, FALSE, true);

                $result['raw'][] = $raw_data;
                $result['sql'][] = isset($raw_data['sql']) ? $raw_data['sql'] : FALSE;
                $raw_data = $raw_data['data'];
                $result['recordsFiltered'] = $CI->items_db
                    ->valas_get_data($filters, 1, 0, TRUE);
                // Bila ada pencarian
                // Bila dirasa menyulitkan.. kerjakan dalam driver ini. pisahkan dalam fungsi berbeda
                // Sebisa mungkin tidak memanfaatkan $this->db_main->query() !!!
            }
        } else {
            $raw_data = array();
        }

        /* ===== Parse Data ===== */
        $result['time']['parse begin'] = microtime();
        $n = 0;
        $result['head'] = array(
            'kode', 'nama produk', 'stock', 'harga', 'status','aksi'
        );

        $data = array();
        foreach ($raw_data as $id_account => $row) {
            $url = site_url('user/settings/items/add/' . $row['id']);
            $aksi = '<a href="' . $url . '" class="btn btn-default">'; //user/settings/categories/add/id
            $aksi .= "EDIT</a>";
            $status = '-';
            if ($row['item_status'] == 0) {
                $status = 'tidak aktif';
            }
            if ($row['item_status'] == 1) {
                $status = 'Aktif';
            }
            if ($row['item_status'] == -1) {
                $status = 'Di Hapus';
            }
            //$cat_data = $CI->settings_db->category_get_by_field($row['item_cat'], 'cat_code');
            $tmp = array(
                //$row['id'],
                $row['item_code'],
                $row['item_title'],
                0,
                $row['cat_title'],
                $status,
                $aksi
            );
            $tmp['raw'] = array($row);

            // Memakai site_url karena masalah intern saja. Jangan diganti base_url
            $data[] = $tmp;
            $row2 = $row;
            // $row2['testing']=true;
            // db_backup('account',$row['u_id'],$row,$row2);
            $n++;
        }

        //  $result['raw'] = array($filters, $raw_data);
        $result['time']['parse end'] = microtime();
        $result['data'] = $data;
        $result['time']['end'] = microtime();

        if ($debug)
            $result['debug'] = $params;

        unset($result['raw']);
        unset($result['time']);
        unset($result['sql']);
        unset($result['params']);

        $out1 = ob_get_contents();
        if ($out1 != '') {
            $result['warning'] = explode("\n", $out1);
        }
        ob_end_clean();
        ksort($result);
        return $result;
    }