Title	T	P	Status	Votes	Assignee	Milestone	Created	Updated
#1063: self-referential / mutually dependent FK flush() should not require post_update for an UPDATE only query orm	bug	major	new	2	Mike Bayer	1.x.xx	2008-05-28	2017-06-13
#3858: descriptive error message when attempting to repurpose an instrumented attribute orm	bug	trivial	new		sqlalchemy sprinters	1.x.xx	2016-11-21	2016-11-23
#3777: Accessing the history of a synonym attribute (either raise or resolve for attribute) orm	bug	minor	new		sqlalchemy sprinters	1.x.xx	2016-08-20	2016-08-20
#2255: figure out what lazy clause does with long-chained many to one orm	bug	major	resolved		Mike Bayer	1.x.xx	2011-08-12	2015-09-19
#1271: expunge newly minted instance if merge() fails? orm	bug	major	wontfix		Mike Bayer	1.x.xx	2009-01-04	2015-08-24
#3307: Performance with PyPy orm	bug	major	resolved			1.x.xx	2015-02-13	2015-02-19
#3003: Update of orderinglist relationship when position is used in PK orm	bug	major	resolved			1.x.xx	2014-03-28	2014-03-28
#1457: Self-referential relation fails silently if an entity references itself orm	bug	major	resolved		Mike Bayer	1.x.xx	2009-06-26	2014-02-14
#814: with_lockmode() doesn't allow db-native lockmodes orm	bug	minor	resolved		Mike Bayer	1.x.xx	2007-10-12	2014-01-21
#1409: Polymorphic map: Lookup when discriminator is NULL orm	bug	major	resolved		Mike Bayer	1.x.xx	2009-05-08	2013-04-27
#878: Using invalid column/group name in defer(), undefer() or undefer_group() doesn't raise an exception orm	bug	major	resolved		Mike Bayer	1.x.xx	2007-11-23	2013-04-27
#1447: Negated .contains() with many-to-many relationships doesn't work orm	bug	major	resolved		Mike Bayer	1.x.xx	2009-06-19	2011-10-23
#2068: Cannot insert a base class when using single table inheritance. orm	bug	major	resolved		Mike Bayer	1.x.xx	2011-02-19	2011-06-22
#1612: eagerload on table.c.col == table.c.col orm	bug	major	resolved		Mike Bayer	1.x.xx	2009-11-09	2011-05-09
#2139: with_polymorphic() changes the query generated by column_property() orm	bug	major	resolved		Mike Bayer	1.x.xx	2011-04-20	2011-04-21
#2137: sqlalchemy.orm.joinedload silently ignoring not existing columns orm	bug	major	resolved		Mike Bayer	1.x.xx	2011-04-17	2011-04-17