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062a94ef45
Extricated the code that works directly with SQL columns (standard "where" stuff) from the the code that takes SQL fragments and combines it with lookup types and values. The latter portion is now more generally reusable. Any existing code that was poking at Query.having will now break in very visible ways (no subtle miscalculations, which is a good thing). This patch, en passant, removes the existing "having" test, since the new implementation requires more setting up than previously. The aggregates support (currently in a separate codebase) has tests for this functionality that work as a replacement for the removed test. git-svn-id: http://code.djangoproject.com/svn/django/trunk@9700 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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