CSearchUser::SetGroups

function SetGroups($arGroups)
{
	$DB = CDatabase::GetModuleConnection('search');
	$dbCodes = $DB->Query("
		SELECT GROUP_CODE
		FROM b_search_user_right
		WHERE USER_ID = ".$this->_user_id."
	", false, "File: ".__FILE__."
Line: ".__LINE__);

	$arGroupsToCheck = array_flip($arGroups);
	while ($dbCode = $dbCodes->Fetch())
	{
		if (!array_key_exists($dbCode["GROUP_CODE"], $arGroupsToCheck))
		{
			$DB->Query("
				DELETE FROM b_search_user_right
				WHERE USER_ID = ".$this->_user_id."
				AND GROUP_CODE = '".$DB->ForSQL($dbCode["GROUP_CODE"])."'
			", false, "File: ".__FILE__."
Line: ".__LINE__);
		}
		else
		{
			unset($arGroups[$arGroupsToCheck[$dbCode["GROUP_CODE"]]]);
		}
	}
	$this->AddGroups($arGroups);
}