CAllStatistics::CleanUp

static function CleanUp($cleanup_date="", &$arErrors)
{
	$err_mess = "File: ".__FILE__."
Line: ";
	$DB = CDatabase::GetModuleConnection('statistic');
	if ($cleanup_date == '')
	{
		$fname = $_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/statistic/install/db/".mb_strtolower($DB->type)."/clean_up.sql";
		if (file_exists($fname))
		{
			$arErrors = $DB->RunSQLBatch($fname);
			if (!$arErrors)
			{
				$fname = $_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/statistic/install/db/".mb_strtolower($DB->type)."/adv.sql";
				$arErrors2 = $DB->RunSQLBatch($fname);
				if (!$arErrors2) return true; else
				{
					$arErrors = array_merge($arErrors, $arErrors2);
					return false;
				}
			}
			else return false;
		}
	}
	else
	{
		$stmp = MkDateTime(ConvertDateTime($cleanup_date,"D.M.Y"),"d.m.Y");
		if ($stmp)
		{
			$arrTables = array(
				"b_stat_adv_guest"		=> "DATE_HOST_HIT",
				"b_stat_adv_day"		=> "DATE_STAT",
				"b_stat_adv_event_day"	=> "DATE_STAT",
				"b_stat_day"			=> "DATE_STAT",
				"b_stat_day_site"		=> "DATE_STAT",
				"b_stat_event_day"		=> "DATE_STAT",
				"b_stat_event_list"		=> "DATE_ENTER",
				"b_stat_guest"			=> "LAST_DATE",
				"b_stat_hit"			=> "DATE_HIT",
				"b_stat_searcher_hit"	=> "DATE_HIT",
				"b_stat_phrase_list"	=> "DATE_HIT",
				"b_stat_referer"		=> "DATE_LAST",
				"b_stat_referer_list"	=> "DATE_HIT",
				"b_stat_searcher_day"	=> "DATE_STAT",
				"b_stat_session"		=> "DATE_LAST",
				"b_stat_page"			=> "DATE_STAT",
				"b_stat_country_day"	=> "DATE_STAT",
				"b_stat_path"			=> "DATE_STAT"
			);

			foreach ($arrTables as $table_name => $date_name)
			{
				CStatistics::CleanUpTableByDate($cleanup_date, $table_name, $date_name);
			}
		}
	}
	return true;
}