CStatistics::CleanUpAdvGuests

static function CleanUpAdvGuests()
{
	set_time_limit(0);
	ignore_user_abort(true);
	$err_mess = "File: ".__FILE__."
Line: ";
	$DB = CDatabase::GetModuleConnection('statistic');
	$ADV_GUEST_DAYS = COption::GetOptionString("statistic", "ADV_GUEST_DAYS");
	$ADV_GUEST_DAYS = intval($ADV_GUEST_DAYS);
	if ($ADV_GUEST_DAYS>=0)
	{
		$strSql = "
			DELETE FROM b_stat_adv_guest WHERE
			(
				to_days(now())-to_days(DATE_GUEST_HIT)>=$ADV_GUEST_DAYS or
				DATE_GUEST_HIT is null or
				length(DATE_GUEST_HIT)<=0
			)
			and
			(
				to_days(now())-to_days(DATE_HOST_HIT)>=$ADV_GUEST_DAYS or
				DATE_HOST_HIT is null or
				length(DATE_HOST_HIT)<=0
			)
		";
		$DB->Query($strSql, false, $err_mess.__LINE__);
		if(COption::GetOptionString("statistic", "USE_AUTO_OPTIMIZE")=="Y")
		{
			$DB->Query("OPTIMIZE TABLE b_stat_adv_guest", false, $err_mess.__LINE__);
		}
	}
}