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abc33bd32d6fd11f46bdc3e65ce97b606ce1cb89
in this case when mapped against a select statement [ticket:904] - _hide_froms logic in expression totally localized to Join class, including search through previous clone sources - removed "stop_on" from main visitors, not used - "stop_on" in AbstractClauseProcessor part of constructor, ClauseAdapter sets it up based on given clause - fixes to is_derived_from() to take previous clone sources into account, Alias takes self + cloned sources into account. this is ultimately what the #904 bug was.
SQLAlchemy is licensed under an MIT-style license (see LICENSE). Other incorporated projects may be licensed under different licenses. All licenses allow for non-commercial and commercial use. To install: python setup.py install SVN checkouts also include setup.cfg file allowing setuptools to create an svn-tagged build. Documentation is available in HTML format in the ./doc/ directory. Information running unit tests is in README.unittests. good luck !
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