getFetchMode example

    public function query($fetchMode = null, $bind = [])
    {
        if (!empty($bind)) {
            $this->bind($bind);
        }

        $stmt = $this->_adapter->query($this);
        if ($fetchMode == null) {
            $fetchMode = $this->_adapter->getFetchMode();
        }
        $stmt->setFetchMode($fetchMode);

        return $stmt;
    }

    /** * Converts this object to an SQL SELECT string. * * @return string|null This object as a SELECT string. (or null if a string cannot be produced.) */
    

    protected function _authenticateQuerySelect(Zend_Db_Select $dbSelect)
    {
        try {
            if ($this->_zendDb->getFetchMode() != Zend_DB::FETCH_ASSOC) {
                $origDbFetchMode = $this->_zendDb->getFetchMode();
                $this->_zendDb->setFetchMode(Zend_DB::FETCH_ASSOC);
            }
            $resultIdentities = $this->_zendDb->fetchAll($dbSelect);
            if (isset($origDbFetchMode)) {
                $this->_zendDb->setFetchMode($origDbFetchMode);
                unset($origDbFetchMode);
            }
        } catch (Exception $e) {
            /* * @see Zend_Auth_Adapter_Exception */