MySQL Connector/Net 6.6.0 Alpha has been released
Posted by: Reggie Burnett
Date: July 17, 2012 07:47PM

MySQL Connector/Net 6.6.0, a new version of the all-managed .NET driver for MySQL has been released. This is the first of two alpha releases intended to introduce users to the new features in the release. This release is not feature complete and there are significant limitations but it should be stable enough for users to understand the new features and how we expect them to work. As is the case with all non-GA releases, it should not be used in any production environment. It is appropriate for use with MySQL server versions 5.0-5.6

It is now available in source and binary form from and mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.)

The 6.6 version of MySQL Connector/Net brings the following new features:

Stored procedure debugging
Entity Framework 4.3 Code First support
Pluggable authentication (not available in this alpha)

Stored Procedure Debugging
We are very excited to introduce stored procedure debugging into our Visual Studio integration. It works in a very intuitive manner by simply clicking 'Debug Routine' from Server Explorer. As mentioned above, there are currently many limitations in the implementation. These limitations are being resolved for future alpha and beta releases. The limitations include:

* Can only debug stored procedures. Functions and triggers will be enabled in a future build.
* Intellisense is currently not enabled in the debugger window.
* Some MySQL functions cannot be debugged currently (get_lock, release_lock, begin, commit, rollback, set transaction level)
* Only 5.1 grammar is currently supported
* Only one debug session may be active on a given server
* The debugger instruments your procedures automatically. We have seen some instances when the original procedure is not restored correctly.
* Evaluating and changing session variables are not supported. Local variables in the procedure are supported.
* Breakpoints are supported however if you put a breakpoint on a line where there is no code it will appear as not bound. This is harmless
* Conditional breakpoints are not supported
* When debugging a routine that has parameters the debugger will prompt for those values. It will create session variables out of them so you should be careful to not use your own session variables that have the same name.
* When creating a new connection in Server Explorer, please check the 'Save password' checkbox.

While this list is long, we have already resolved many of these and will resolve the rest before GA. Even with these limitations we hope that you can get a feel for how the product will work and give us feedback.

The documentation is still being developed and will be readily available in time for Beta 1. You can view current Connector/Net documentation at

You can find our team blog at You can also post questions on our forums at

Enjoy and thanks for the support!

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MySQL Connector/Net 6.6.0 Alpha has been released
July 17, 2012 07:47PM

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