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Displaying posts with tag: connector (reset)

MariaDB Connector/J failover support – case Amazon Aurora
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MariaDB Connector/J has evolved a lot during the year. In this post I will talk about the failover capabilities in the connector and give some guidance on how to use them in some certain cases. One other important new feature that I’ll cover in a later article is the fact that MariaDB Connector/J can do load balancing over several servers now as well.

To start off with we’ll need the connector itself. Do either of the following to get version 1.2.3 of MariaDB Connector/J which is the newest stable version as of writing:

  • Download the binary from …
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New! MySQL Connector/Arduino release-1.0.4 GA and Documentation
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After several iterations and a long period of community evaluation, I am happy to report I've released the newest, stable release of the MySQL Connector/Arduino. This library is designed to allow you to connect your Arduino via an Ethernet or WiFi shield to a MySQL database server running on your network (or the Internet!).

New Documentation!Best of all, I've written a reference manual that includes examples of how to use the connector in a variety of ways. Included in the document are advice on how to write your sketches, troubleshooting tips, and a long FAQ compiled from the many questions from my blogs.

Changes …

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Announcing MySQL Connector/Arduino 1.0.2 Beta
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I've completed a new release of the Connector/Arduino! The new release contains some major improvements with memory handling.

  • The library has been trimmed to save memory.
    • Static strings moved to PROGMEM strings
    • Unused structures removed (e.g. ok_packet)
    • Moved two more methods to optional compilation
  • The WITH_SELECT is turned *OFF* by default. If you want to use select queries, be sure to uncomment this in the mysql.h file.
  • Added a CHANGES.txt file to track changes between releases.

Memory, What …

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MySQL Connectors, a Real Plus for Developers
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MySQL Connectors provide connectivity to the MySQL server for client programs. APIs provide low-level access to the MySQL protocol and MySQL resources. Both Connectors and the APIs enable you to connect and execute MySQL statements from another language or environment. Oracle provides a number of these, enabling developers to build database applications in the language of their choice. Among those developed by Oracle are drivers for JDBC and ODBC. Any system that works with JDBC or ODBC can use MySQL. And you can find many more, including drivers for PHP, Perl, Python, Ruby, Tcl and even …

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Announcing MySQL Connector/Arduino 1.0.1 Beta
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I've completed a new release of the Connector/Arduino. The new version supports a few refinements and a new feature.

  • New! disconnect() method - enables disconnect from server. Note: you must call mysql_connect() to reconnect.
  • Better error handling for dropped packets. No more random reboots when bad packet appears.
  • Library can recover from short-term loss of connectivity. Along with bad packets is a check to make sure what is received is valid making the connector ignore garbage packets associated with a dropped connection.
  • Detection of Out of Memory condition. Should there not be …

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MySQL Connector/Arduino
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Chuck Bell, one of my former colleague from MySQL AB, has created a connector for Arduino to MySQL. So this allows Arduino code to be a direct client of a MySQL or MariaDB server, with Ethernet and WiFi shields supported.

With Arduino boards being used more and more, this can come in really handy – not only for retrieving (for instance) centralised configuration data, but also for logging. Useful stuff. Thanks Chuck!


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Introducing MySQL Connector/Arduino 1.0.0 beta
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There is a new release of the Connector/Arduino on Launchpad! See The new version supports a number of refinements and a few new features. These include:

  • Improved support for processing result sets
  • Conditional compilation to omit result set handling features to save program space
  • Support for the Arduino WiFi shield
  • New version() method to check version of the connector
  • Simplified download (no more patching SHA1!)

So What is It?
If you have never heard of Connector/Arduino, it is simply a library designed …

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Announcing: New Forum for Connector/Arduino!
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Due to the growing popularity of Connector/Arduino, the moderator of MySQL Forums has created a forum for us to meet up and discuss the connector. Yippie!

While the forum has been started very recently, I expect it will grow quickly as people discover the connector for the first time and experienced users find new and interesting ways to use it. I hope to moderate the new forum periodically to answer questions and respond to posts. See you there!

Note: you need an account to write to the forum. Click on …

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MySQL Connector/J 5.1.26 has been released
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MySQL Connector/J 5.1.26, a maintenance release of the production 5.1 branch has been released. Connector/J is the Type-IV pure-Java JDBC driver for MySQL. Version 5.1.26 is suitable for use with many MySQL server versions, including 4.1, 5.0, 5.1, 5.4, 5.5 and 5.6. It is already available for download on the My Oracle Support (MOS) website. The eDelivery download will be available on it's own regular schedule. As always, we recommend that you check the "CHANGES" file in the download archive to be aware of changes in behavior that might affect your application.

MySQL Connector/J 5.1.26 includes the following general bug fixes and improvements, also …

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MySQL Connector Python 1.0.11 has been released!
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Dear MySQL users,

MySQL Connector/Python v1.0.11 is a new version of the 1.0 production release of the pure Python database driver for MySQL.

MySQL Connector/Python version 1.0 is compatible with MySQL Server versions 5.5 and greater, but should work with earlier versions (greater than v4.1). Python v2.6 and greater as well as Python v3.1 and greater are supported. Python v2.4 and v2.5 are known to work, but are not officially supported.

MySQL Connector/Python v1.0.11 is available for download from

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