{"push_id":798347536,"size":1,"distinct_size":0,"ref":"refs/heads/rel_1_1","head":"80aeba3d5e0269eb689d991ca0b8e281715113ed","before":"371f1a82c5981156a359f690923840d2627c9a6f","commits":[{"sha":"80aeba3d5e0269eb689d991ca0b8e281715113ed","author":{"email":"bb10354a889e9c8a6c713f2ff3dd3581d4bb27e4@zzzcomputing.com","name":"Mike Bayer"},"message":"- Added a new type-level modifier :meth:`.TypeEngine.evaluates_none`\nwhich indicates to the ORM that a positive set of None should be\npersisted as the value NULL, instead of omitting the column from\nthe INSERT statement.  This feature is used both as part of the\nimplementation for :ticket:`3514` as well as a standalone feature\navailable on any type.  fixes #3250\n- add new documentation section illustrating the \"how to force null\"\n use case of #3250\n- alter our change from #3514 so that the class-level flag is now\ncalled \"should_evaluate_none\"; so that \"evaluates_none\" is now\na generative method.","distinct":false,"url":"https://api.github.com/repos/zzzeek/sqlalchemy/commits/80aeba3d5e0269eb689d991ca0b8e281715113ed"}]}