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MySQL Connector/Python 8.0.24 has been released
Posted by: Balasubramanian Kandasamy
Date: April 20, 2021 02:46AM



Dear MySQL users,

MySQL Connector/Python 8.0.24 is the latest GA release version of the
MySQL Connector Python 8.0 series. The X DevAPI enables application
developers to write code that combines the strengths of the relational
and document models using a modern, NoSQL-like syntax that does not
assume previous experience writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see

  http://dev.mysql.com/doc/x-devapi-userguide/en/

For more information about how the X DevAPI is implemented in MySQL
Connector/Python, and its usage, see

  http://dev.mysql.com/doc/dev/connector-python

Please note that the X DevAPI requires at least MySQL Server version 8.0
or higher with the X Plugin enabled. For general documentation about how
to get started using MySQL as a document store, see

  http://dev.mysql.com/doc/refman/8.0/en/document-store.html

To download MySQL Connector/Python 8.0.24, see the "General Availability
(GA) Releases" tab at

  http://dev.mysql.com/downloads/connector/python/

Enjoy!

Changes in MySQL Connector/Python 8.0.24 (2021-04-20, General Availability)


     * Functionality Added or Changed

     * Bugs Fixed

Functionality Added or Changed


     * Removed Python 2.7 and 3.5 support, and added Python 3.9
       support. (Bug #32144255, Bug #32192619, Bug #32001787)

     * Improved server disconnection handling of X Protocol
       connections now creates a log entry and returns an error
       message, as needed, after Connector/Python receives a
       connection-close notice from the server. Connector/Python
       detects three new types of warning notices.
       Connection idle notice.  This notice applies to a server
       connection that remains idle for longer than the relevant
       timeout setting. Connector/Python closes the connection
       when it receives the notice in an active session or while
       a new session is being created. An attempt to use the
       invalid session returns the "Connection closed. Reason:
       connection idle too long" error message.
       Server shutdown notice.  If a connection-close notice is
       received in a session as a result of a server shutdown,
       Connector/Python terminates the session with the
       "Connection closed. Reason: server shutdown" error
       message. All other sessions that are connected to the
       same endpoint are removed from the pool, if connection
       pooling is used.
       Connection killed notice.  If the connection being killed
       from another client session, Connector/Python closes the
       connection when it receives the notice in an active
       session or while a new session is being created. An
       attempt to use the invalid session returns the
       "Connection closed. Reason: connection killed by a
       different session" error message.

     * If a classic MySQL protocol connection experiences a
       server timeout, Connector/Python now reports more precise
       disconnection information from the server.

Bugs Fixed


     * For the C-extension, executing prepared statements
       emitted errors when placeholders were defined without
       associated parameters. Now they are not executed. (Bug
       #32497631)

     * For prepared statements any type or argument was
       accepted, which could produce undesired results. Now the
       use of list or type objects for the argument is enforced,
       and passing in other types raise an error. (Bug
       #32496788)

     * Added Django 3.2 support while preserving compatibility
       with Django 2.2, 3.0, and 3.1. (Bug #32435181)

     * Added context manager support for pooled connections; a
       feature added to standard connections in 8.0.21. (Bug
       #32029891)

     * Replaced the deprecated PyUnicode_GetSize with
       PyUnicode_GET_LENGTH to fix the casting of Python's
       unicode to std::string. (Bug #31490101, Bug #99866)

     * Binary columns were returned as strings instead of
       'bytes' or 'bytearray'. (Bug #30416704, Bug #97177)


Enjoy and thanks for the support!

On Behalf of the MySQL Engineering Team,
Balasubramanian Kandasamy


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