id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
10977	In some cases, the intersection of two QuerySets is empty when it shouldn't be	Zain Memon		"This bug is best demonstrated by an example with two querysets, qs and other_qs:

{{{
>>> qs
[<Recommendation: Foo>, <Recommendation: Bar>]
>>> other_qs
[<Recommendation: Foo>]
>>> qs[0] == other_qs[0]
True
>>> qs & other_qs
[]
}}}

I'm attaching a test case to demonstrate the conditions for this to happen."	Bug	closed	Database layer (models, ORM)	1.0	Normal	fixed			Accepted	1	0	0	1	0	0