CAllStatEvent::GetListUniqueCheck

static function GetListUniqueCheck($arFilter=Array(), $LIMIT=1)
{
	$err_mess = "File: ".__FILE__."
Line: ";
	$DB = CDatabase::GetModuleConnection('statistic');
	$arSqlSearch = Array();
	$strSqlSearch = "";
	if (is_array($arFilter))
	{
		foreach ($arFilter as $key => $val)
		{
			if(is_array($val))
			{
				if(count($val) <= 0)
					continue;
			}
			else
			{
				if( ((string)$val == '') || ($val === "NOT_REF") )
					continue;
			}
			$match_value_set = array_key_exists($key."_EXACT_MATCH", $arFilter);
			$key = strtoupper($key);
			switch($key)
			{
				case "EVENT3":
					$arSqlSearch[] = "E.EVENT3 = '".$DB->ForSql($val,255)."'";
					break;
				case "DATE":
					if (CheckDateTime($val))
						$arSqlSearch[] = "E.DATE_ENTER=".$DB->CharToDateFunction($val);
					break;
				case "EVENT_ID":
				case "SESSION_ID":
				case "GUEST_ID":
				case "ADV_ID":
				case "COUNTRY_ID":
					$arSqlSearch[] = "E.".$key."='".$DB->ForSql($val)."'";
					break;
				case "ADV_BACK":
					$arSqlSearch[] = ($val=="Y") ? "E.ADV_BACK='Y'" : "E.ADV_BACK='N'";
					break;
				case "SITE_ID":
					$arSqlSearch[] = "E.SITE_ID = '".$DB->ForSql($val,2)."'";
					break;
			}
		}
	}
	$strSqlSearch = GetFilterSqlSearch($arSqlSearch);
	$strSql = "
		SELECT /*TOP*/
			E.ID
		FROM
			b_stat_event_list E
		WHERE
			".$strSqlSearch."
	";

	$res = $DB->Query(CStatistics::DBTopSql($strSql, $LIMIT), false, $err_mess.__LINE__);
	return $res;
}