#11319: ForeignKey filters use the wrong field to prepare values for database
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Reporter: russellm | Owner: carljm
Status: new | Milestone: 1.3
Component: Database layer (models, ORM) | Version: 1.0
Resolution: | Keywords:
Stage: Accepted | Has_patch: 1
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 1 |
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Changes (by carljm):
* needs_better_patch: 0 => 1
* has_patch: 0 => 1
Comment:
As best I can tell (based on being able to uncomment the commented test in
custom_pk and have it pass) case (1) from the description here has already
been fixed sometime in the past two years, leaving just case (2) --
to_field.
I've added tests for various queries (some currently-broken, one
currently-working) involving an FK with to_field, and my github branch
linked above now fixes all of the broken cases, and the full test suite
passes under Postgres and SQLite (queries tests pass under MySQL, InnoDB
and MyISAM). That branch also fixes the cascade-deletion symptom in
#15121, which I closed as duplicate of this.
I won't claim certainty that the fixes in that branch are the ideal fixes
for this, and am not ready to commit this without some other ORM-
experienced eyes on it first. But -- all tests pass, and that's at least a
useful starting point.
--
Ticket URL: <http://code.djangoproject.com/ticket/11319#comment:13>
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