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Please do a test of 5.3 with these new @@optimizer_switch settings


Hi Elena,

We're going to make the following enabled by default: 


Could you please make a test run with these settings?

It is important to test revision>=3337 (just pushed it), because it has a
change in the optimizer which makes it choose semijoin+join_cache execution
plans much more often.

Sergei Petrunia, Software Developer
Monty Program AB, http://askmonty.org
Blog: http://s.petrunia.net/blog