public static function run()
 {
     //find oldest value
     $oldest = \SYSTEM\SQL\SYS_LOG_OLDEST::Q1();
     list($now_month, $now_year) = preg_split("/ /", date("m Y"));
     //All fine -> abort
     if ($oldest['year'] >= $now_year && $oldest['month'] >= $now_month) {
         return cronstatus::CRON_STATUS_SUCCESFULLY;
     }
     //create folder if required
     if (!file_exists(\SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CRON_LOG2SQLITE_PATH))) {
         mkdir(\SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CRON_LOG2SQLITE_PATH), 0777, true);
     }
     $filename = \SYSTEM\CONFIG\config::get(\SYSTEM\CONFIG\config_ids::SYS_CRON_LOG2SQLITE_PATH) . $oldest['year'] . '.' . $oldest['month'] . '.db';
     //extract whole month to file
     $con = new \SYSTEM\DB\Connection(new \SYSTEM\DB\DBInfoSQLite($filename));
     //create table
     $con->query('CREATE TABLE IF NOT EXISTS `system_log` (' . ' `ID` INT(10) NOT NULL,' . ' `class` TEXT NOT NULL,' . ' `message` TEXT NOT NULL,' . ' `code` INT(11) NOT NULL,' . ' `file` TEXT NOT NULL,' . ' `line` INT(11) NOT NULL,' . ' `trace` TEXT NOT NULL,' . ' `ip` TEXT NOT NULL,' . ' `querytime` DOUBLE NOT NULL,' . ' `time` DATETIME NOT NULL,' . ' `server_name` CHAR(255) NOT NULL,' . ' `server_port` INT(10) NOT NULL,' . ' `request_uri` CHAR(255) NOT NULL,' . ' `post` TEXT NOT NULL,' . ' `http_referer` CHAR(255) NULL DEFAULT NULL,' . ' `http_user_agent` TEXT NOT NULL,' . ' `user` INT(11) NULL DEFAULT NULL,' . ' `thrown` BIT(1) NOT NULL,' . ' PRIMARY KEY (`ID`)' . ');');
     //write data as trasaction
     $con->exec('begin transaction');
     set_time_limit(30);
     $res = \SYSTEM\SQL\SYS_LOG_MONTH::QQ(array($oldest['month'], $oldest['year']));
     while ($row = $res->next()) {
         set_time_limit(30);
         $row['time'] = array_key_exists('time_pg', $row) ? date("Y-m-d H:i:s", $row['time_pg']) : $row['time'];
         if (!$con->exec('INSERT OR IGNORE INTO ' . \SYSTEM\SQL\system_log::NAME_MYS . '(`ID`, `class`, `message`, `code`, `file`, `line`, `trace`, `ip`, `querytime`, `time`,' . ' `server_name`, `server_port`, `request_uri`, `post`,' . ' `http_referer`, `http_user_agent`, `user`, `thrown`)' . 'VALUES (' . $row['ID'] . ', \'' . \SQLite3::escapeString($row['class']) . '\', \'' . \SQLite3::escapeString($row['message']) . '\', ' . $row['code'] . ', \'' . \SQLite3::escapeString($row['file']) . '\', ' . $row['line'] . ', \'' . \SQLite3::escapeString($row['trace']) . '\', \'' . $row['ip'] . '\', ' . $row['querytime'] . ', \'' . $row['time'] . '\', \'' . \SQLite3::escapeString($row['server_name']) . '\', ' . ($row['server_port'] ? $row['server_port'] : 'NULL') . ', \'' . \SQLite3::escapeString($row['request_uri']) . '\', \'' . \SQLite3::escapeString($row['post']) . '\', \'' . \SQLite3::escapeString($row['http_referer']) . '\', \'' . \SQLite3::escapeString($row['http_user_agent']) . '\', ' . ($row['user'] ? $row['user'] : '******') . ',' . true . ');')) {
             new \SYSTEM\LOG\ERROR('failed to insert into log archiev');
             return cronstatus::CRON_STATUS_FAIL;
         }
         //Delete single
         if (!\SYSTEM\SQL\SYS_LOG_DEL::QI(array($row['ID']))) {
             new \SYSTEM\LOG\ERROR('failed to delete log entries');
             return cronstatus::CRON_STATUS_FAIL;
         }
     }
     set_time_limit(30);
     if (!$con->exec('end transaction')) {
         new \SYSTEM\LOG\ERROR('failed to insert into log archiev');
         return cronstatus::CRON_STATUS_FAIL;
     }
     return cronstatus::CRON_STATUS_SUCCESFULLY;
 }