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
15361	Document performance considerations when using Queryset.get()	Markus Bertheau	mmcnickle	Currently QuerySet.get() counts the number of rows in the result set. For get()'s semantics though, what's important is only whether there were 0, 1 or more rows returned. Counting the whole number of rows is a potentially expensive operation compared to stopping after the first 2 rows. Therefore QuerySet.get() should use LIMIT 2 (and no ORDER BY)	Cleanup/optimization	closed	Documentation	1.2	Normal	fixed		timograham@…	Accepted	1	0	0	0	0	0