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
22514	Postgres index generator does not expect db_type to be None	Vlastimil Zíma	Vlastimil Zíma	"Postgres database backend does not expect fields with db_type `None` in index creation.

Virtual foreign relation can have unique set up to enable model-instance cache. I attach a patch and a test."	Bug	closed	Database layer (models, ORM)	1.6	Normal	fixed			Accepted	1	0	0	0	0	0