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
23853	Replace JoinInfo namedtuple with Join class	Anssi Kääriäinen	nobody	"The rationale for this change is that by using a class we can implement all kinds of different joins (LATER JOINS over subquery) if needed for special cases. In addition, this way feels cleaner to me as the join generation logic now happens in a dedicated class instead of ""hard-coding"" it to SQLCompiler.

Implementation in https://github.com/django/django/pull/3561"	Cleanup/optimization	closed	Database layer (models, ORM)	dev	Normal	fixed			Ready for checkin	1	0	0	0	0	0