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
19299	Foreign keys using to_field and having legitimate empty string values fail with NULL errors	evan@…	nobody	"If one table references another table with a foreign
key using a to_field that's a string, and the target column has an empty
string as a possible value, the ORM would remap it to None, and thus
NULL, which is not the same, and which breaks the relation.

[https://github.com/tunixman/django/commit/45f1da6aea8921c55dfc2f5618d03c800d3fa803 Minimal test case and fix]"	Bug	closed	Database layer (models, ORM)	dev	Normal	fixed	oracle	albertyw@…	Accepted	1	0	0	0	0	0