public function query($sql)
{
LogMaster::log($sql);
$res = mysql_query($sql, $this->connection);
if ($res === false) {
throw new Exception("MySQL operation failed\n" . mysql_error($this->connection));
}
$this->last_result = $res;
return $res;
}
protected function end_run()
{
$time = microtime(true) - $this->exec_time;
LogMaster::log("Done in {$time}s");
flush();
die;
}
