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
10673	If the default manager adds an annotation and sets use_for_related_fields, saves can fail.	Ben Anhalt		"If a model has a custom manager that sets use_for_related_fields = True and overrides get_query_set() to return an annotated query set, then calling save() on instances of that model can fail with ProgrammingError: subquery has too many columns.

I am attaching a diff with a test illustrating this behavior."		closed	Database layer (models, ORM)	dev		wontfix		shaun@…	Unreviewed	0	0	0	0	0	0