queryEnd example

$qp = $prof->getQueryProfile($this->_queryId);
        }
        if ($params !== null) {
            $qp->bindParams($params);
        } else {
            $qp->bindParams($this->_bindParam);
        }
        $qp->start($this->_queryId);

        $retval = $this->_execute($params);

        $prof->queryEnd($this->_queryId);

        return $retval;
    }

    /** * Returns an array containing all of the result set rows. * * @param int $style OPTIONAL Fetch mode. * @param int $col OPTIONAL Column number, if fetch mode is by column. * @return array Collection of rows, each in a format by the fetch mode. */
    

$this->_config['driver_options'][PDO::ATTR_PERSISTENT] = true;
        }

        try {
            $this->_connection = new PDO(
                $dsn,
                $this->_config['username'],
                $this->_config['password'],
                $this->_config['driver_options']
            );

            $this->_profiler->queryEnd($q);

            // set the PDO connection to perform case-folding on array keys, or not             $this->_connection->setAttribute(PDO::ATTR_CASE, $this->_caseFolding);

            // always use exceptions.             $this->_connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

        } catch (PDOException $e) {
            /** * @see Zend_Db_Adapter_Exception */
            

/** * Leave autocommit mode and begin a transaction. * * @return Zend_Db_Adapter_Abstract */
    public function beginTransaction()
    {
        $this->_connect();
        $q = $this->_profiler->queryStart('begin', Zend_Db_Profiler::TRANSACTION);
        $this->_beginTransaction();
        $this->_profiler->queryEnd($q);

        return $this;
    }

    /** * Commit a transaction and return to autocommit mode. * * @return Zend_Db_Adapter_Abstract */
    public function commit()
    {