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
4002	Attributes added by extra() aren't visible to filter()	exogen@…	nobody	"Attributes added with the extra() method are visible by order_by, but not to filter. An exception is raised:

<type 'exceptions.TypeError'>: Cannot resolve keyword 'test' into field

...but order_by('test') works fine."		closed	Database layer (models, ORM)	dev		invalid	extra filter		Accepted	0	0	0	0	0	0