Main task of this week is to implement the algebra optimization. To do that it needs to re-organize the algebra tree, such that new tree leads for a optimize search. For that, need to find a specific pattern in the tree and replace it by simple algebra. So I started to find the target algebra object pattern in the tree and later moved to more generic algorithm to find a general pattern in the tree.
By the time I had to spend time to set up the code coverage, svn version problems and google mid term survey. I was previously using eclipse 3.2 and it worked well with subclipse and svn. But using eclipse 3.4 leads to touch the svn files as version 1.5 but the actual client is version 1.4.6. I tried the instructions given in [1] to solve the problem. Since it didn't work for me I moved to the previous eclipse which is simplest to continue on work.
I discuss the things to be done for the next two weeks [2] and break the tasks in to smaller sub tasks. For the next week I will continue with the rewriter module.
[1] http://durin42.blogspot.com/2008/03/setuptools-and-subversion-15.html
[2] http://spreadsheets.google.com/ccc?key=pqiTfcdeaKaYf-C6HpM32VQ&hl=en - Time plan
[3] svn//svn.zope.org/repos/main/Sandbox/adamg/ocql/branches/optimize-with-index - implementation
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