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MySQL Connector/Python Release Notes  /  Changes in MySQL Connector/Python 8.0  /  Changes in MySQL Connector/Python 8.0.6 (2018-02-01, Release Candidate)

Changes in MySQL Connector/Python 8.0.6 (2018-02-01, Release Candidate)

Functionality Added or Changed

  • A new bdist_wheel distutils command was added to build a Connector/Python wheel package.

    A new --static option was added that enables static linking for the C extension variant.

  • X DevAPI: In the process of refining the definition of the X DevAPI to cover the most relevant usage scenarios, the following API components have been removed from the X DevAPI implementation for Connector/Python:

    • API components that support session configurations.

      The mysqlx.config namespace and all members of the namespace.

    • The create_table, drop_table, create_view, drop_view, and alter_view methods from the Schema class.

  • A Pylint test was added for the mysqlx module.

  • A new Modify.patch() method was added to the X DevAPI as a way to change several document attributes in one operation; otherwise known as a JSON Merge Patch via RFC 7386.

  • The create_index() method was added to the Collection API.

  • The transaction API was extended to allow setting savepoints. The following methods have been added to the Session object:

    • set_savepoint([name]): executes the SAVEPOINT name SQL statement to generate a savepoint. If a name is not provided (or None), one is generated.

      The SAVEPOINT statement sets a named transaction savepoint with a name of identifier. If the current transaction has a savepoint with the same name, the old savepoint is deleted and a new one is set.

    • release_savepoint(name): executes the RELEASE name SQL statement to release a savepoint.

      The RELEASE SAVEPOINT statement removes the named savepoint from the set of savepoints of the current transaction. No commit or rollback occurs. It returns an error if the savepoint does not exist.

    • rollback_to(name): executes the ROLLBACK TO name SQL statement to rollback a savepoint.

      The ROLLBACK TO identifier command reverts the state of the transaction back to what was when executed the command SAVEPOINT identifier.

    Names passed to these functions are checked to make sure that the name is not null or an empty string. Names such as '', "", ``, and so on, are not allowed even though they are allowed by the server. For more information, see SAVEPOINT, ROLLBACK TO SAVEPOINT, and RELEASE SAVEPOINT Syntax.

Bugs Fixed

  • On Enterprise Linux 7, SSL connections could fail due to the Python 2.7.9 or higher requirement. Since EL7 backported the SSL module from Python 3 (PEP466) into its default Python 2.7.5, SSL connections are now enabled on EL7. (Bug #27368032)

  • MySQL Server 8.0 utf8mb4 collations were missing from Connector/Python. (Bug #27277964)

  • The LICENSE and README files were missing from the C extension ( cext) builds. (Bug #26912787)

  • On Linux, commercial packages included source (.py) files in the package instead of only .pyc/.pyo files. (Bug #26821756)

  • Python 3.6 is now officially supported and tested.