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
1807	[patch] union and intersection operating on lists	mir@…	nobody	"This patch provides list_union and list_intersection functions that evaluate over a list of QuerySets. I'll add documentation if needed. The tests should demonstrate usage.

Please note that currently the last test fails due to the bug described in ticket #1801"	enhancement	closed	Database layer (models, ORM)	dev	minor	wontfix	union performance and or ORM QuerySet		Design decision needed	1	0	0	0	0	0