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
31148	Can not update unioned queryset after union.	Joon Hwan 김준환	nobody	"b_filter() seems to merge but does not apply to the actual update

{{{
q = M.objects.none()
q = q.union(M.objects.a_filter())
print(q)
q = q.union(M.objects.b_filter())
print(q)
print(str(union_queryset.update(name='foo').query))
}}}

{{{
<QuerySet [<M: M object (675)>]>
<QuerySet [<M: M object (675)>, <M: M object (773)>]>
UPDATE ""m"" SET ""name"" = ""foo"" WHERE `a_filter Conditional statement` ORDER BY U0.""id"" ASC  LIMIT 1); args=(...)
}}}"	Bug	new	Database layer (models, ORM)	2.2	Normal				Unreviewed	0	0	0	0	0	0