But my question is, why not release it anyway? We could turn it into an engine community project. I believe there are enough engine developers out there to get this moving forward.
The secret is to start small, and just get a few tests to run with all engines. Then additional tests can be added step by step. Engines need a way to specify that they want to skip a test entirely (e.g. transactional tests), and it should be easy to customize results for various engines.
An example of a simple and elegant solution can be found in Drizzle. As Monty Taylor mentioned in a comment to Marks blog: "We have some patches to test-run in Drizzle to allow running the whole test suite with a specified storage engine".
I think it is been long enough. This could be a good opportunity to start a Sun/Community project, something like Drizzle. In other words, get something out there, even if it is incomplete, and let the community also take a large part of the responsibility.
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