CUserTypeManager::GetDBColumnType

function GetDBColumnType($arUserField)
{
	if($arType = $this->GetUserType($arUserField["USER_TYPE_ID"]))
	{
		if(is_callable(array($arType["CLASS_NAME"], "getdbcolumntype")))
			return call_user_func_array(array($arType["CLASS_NAME"], "getdbcolumntype"), array($arUserField));
	}
	return "";
}