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From Army <qoz...@gmail.com>
Subject Optimizer work/issues/discussions....
Date Fri, 29 Sep 2006 21:31:50 GMT
After my dealings with the various optimizer changes over the past many months 
and especially with the queries attached to DERBY-1777, I've filed one bug 
(DERBY-1905), one improvement (DERBY-1907), and two "tasks" (DERBY-1906 and 
DERBY-1908) for the Derby optimizer.  The Jira entries are in general pretty 
vague and I'll be the first to admit that I don't really know what the 
resolutions should be, but I think now is a good time to start some discussion 
around the various issues in the current Derby optimizer as I see them (this is 
all just based on my own opinion; people should feel free to differ).

Not surprisingly, the issues are quite inter-related, but I tried to separate 
out the major components insofar as they made sense in my head...

I encourage anyone with even a remote interest or knowledge of the various 
pieces to add comments/suggestions (and of course patches!) to the various Jira 
issues as appropriate.

If nothing else, people looking for a good "project" to tackle could pick up one 
of these Jira issues and run with it...


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