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
10390	"""exact"" should be NULL-safe comparison"	Rick Dean	nobody	"The database lookup type of ""exact"" should use a NULL-safe comparison of ""<=>"".
A patch for MySQL is attached, which I believe is standardized
SQL sytax to work fine for all the backends, but I have not tested the others.

http://dev.mysql.com/doc/refman/5.1/en/non-typed-operators.html"		closed	Database layer (models, ORM)	dev		fixed			Design decision needed	1	0	0	0	0	0