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
27636	The filter queryset is dynamic?	renpj	nobody	"Here is an example:
> q = ModelA.objects.filter(attr=None)
> print q
Ans: <QuerySet:[]>
> instance1 = ModelA.objects.create()
> print q
Ans: <QuerySet:[instance1]>

It seems that the queryset is dynamic and vary with the model. Is this a bug or not?"	Bug	closed	Database layer (models, ORM)	1.10	Normal	invalid	queryset		Unreviewed	0	0	0	0	1	0