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
3541	queryset.count() does not use _result_cache	webograph@…	Adrian Holovaty	"when using {{{.count()}}} on an already executed queryset, the query is evaluated again instead of just checking the length of the {{{_result_cache}}}.

it can be worked around by using {{{len()}}} on queries known to have been executed, in which case {{{len()}}} performs better then {{{.count()}}}."		closed	Database layer (models, ORM)	dev		fixed			Ready for checkin	1	0	0	0	0	0