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MySQL Connector/Node.js Release Notes  /  Changes in MySQL Connector/Node.js 8.0  /  Changes in MySQL Connector/Node.js 8.0.26 (2021-07-20, General Availability)

Changes in MySQL Connector/Node.js 8.0.26 (2021-07-20, General Availability)

Deprecation and Removal Notes

  • The TLSv1.0 and TLSv1.1 connection protocols are now deprecated and support for them is subject to removal in a future Connector/Node.js version. Using these protocols now raises a warning. (WL #14565)

Functionality Added or Changed

  • Management of connections to the MySQL server is now handled independently of the X DevAPI Session interface. (WL #12430)

Bugs Fixed

  • Replaced all instances of the deprecated Buffer() API for the recommended alternatives (Buffer.alloc(), Buffer.allocUnsafe(), and Buffer.from()) to avoid unnecessary warning messages. (Bug #32820267, Bug #103419)

  • For addOrReplaceOne() and replaceOne(), an error is now reported if the object provided as the second argument contains an _id property that does not match the value provided as the first argument.

    The previous behavior was unexpected. For example, when calling addOrReplaceOne('1', { _id: '2', name: 'foo' }), a document with _id: '1' was created if it did not exist, or if it did exist then any existing name property was updated with the value 'foo', or one was created. (Bug #32763298)

  • SQL statement instances can now be executed with different placeholder values. (Bug #32750927)

  • We now ensure that all floating point numbers are represented either by JavaScript numbers or by X DevAPI expression literals that are encoded as an X Protocol V_DOUBLE type; this helps avoid loss of precision. (Bug #32687374, Bug #103124)

  • We now prevent column metadata callback functions used as push-based cursors in the execute() method from being called more than once for each result set generated by a statement. (Bug #32631911)

  • Upon exceeding connectTimeout to a MySQL server, when a connection pool contained an idle connection that previously established a connection to same server and in the meantime the server became unresponsive but reachable, then an application became unresponsive after trying to acquire a connection from the pool. (Bug #32205365)

  • If connectTimeout was exceeded as the client tried to connect to a server, the connection socket was not implicitly closed. (Bug #32200234)