Magento - Zend_Db_Statement_Pdo::_execute - for developers

Magento-Zend_Db_Statement_Pdo_execute

#Zend_Db_Statement_Pdo::_execute
public function _execute(array $params = null)
    {

        try {
            if ($params !== null) {
                return $this->_stmt->execute($params);
            } else {
                return $this->_stmt->execute();
            }
        } catch (PDOException $e) {
            #require_once 'Zend/Db/Statement/Exception.php';
            //display something useful
            $this->_stmt->debugDumpParams();
            //this exception contains a message saying something went wrong
            throw new Zend_Db_Statement_Exception($e->getMessage(), (int) $e->getCode(), $e);
        }
    }