CWorkflow::CleanUpHistory

static function CleanUpHistory()
{
	$err_mess = (CWorkflow::err_mess())."
Function: CleanUpHistory
Line: ";
	global $DB;
	$HISTORY_DAYS = intval(COption::GetOptionString("workflow","HISTORY_DAYS","-1"));
	if ($HISTORY_DAYS>=0)
	{
		$strSql = "
			DELETE FROM b_workflow_log
			WHERE
				to_days(now())-to_days(TIMESTAMP_X)>=$HISTORY_DAYS
			";
		$DB->Query($strSql, false, $err_mess.__LINE__);
	}
	if (CModule::IncludeModule("iblock")) CIblockElement::WF_CleanUpHistory();
}