[eclipselink-dev] SVN trunk commit: Bug#304923 optimize 1-1 joins

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[eclipselink-dev] SVN trunk commit: Bug#304923 optimize 1-1 joins

From: James Sutherland <JAMES.SUTHERLAND@xxxxxxxxxx>
Date: Mon, 9 Aug 2010 11:29:43 -0700 (PDT)
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SVN trunk commit: Bug#304923 optimize 1-1 joins

https://bugs.eclipse.org/bugs/show_bug.cgi?id=304923

Code review: Andrei

Changes:

- Optimizes _expression_ normalization to optimize unnecessary 1-1 joins (emp.addresss.id = :id => emp.ADDR_ID = :id).

- Switches getOperations to public in PerformanceMonitor.

- Fixes cache size monitor to exclude unit of work cache.

- Test for 1-1 join optimization.

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