#26162: Data loss when ManyToManyField refers to the wrong table
-------------------------------------+-------------------------------------
Reporter: Ian-Foote | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.8
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by timgraham):
* needs_better_patch: => 0
* needs_docs: => 0
* needs_tests: => 0
* stage: Unreviewed => Accepted
Comment:
Django 1.6 gave a validation error for this case:
{{{
CommandError: One or more models did not validate:
foo.foo: Accessor for m2m field 'bars' clashes with related m2m field
'Bar.+'. Add a related_name argument to the definition for 'bars'.
foo.foo: Reverse query name for m2m field 'bars' clashes with related m2m
field 'Bar.+'. Add a related_name argument to the definition for 'bars'.
foo2.foo: Accessor for m2m field 'bars' clashes with related m2m field
'Bar.+'. Add a related_name argument to the definition for 'bars'.
foo2.foo: Reverse query name for m2m field 'bars' clashes with related m2m
field 'Bar.+'. Add a related_name argument to the definition for 'bars'.
}}}
but this ceased after 9f76ea1eaad0db0183fa3b5bade16392db0cafbd.
This might be related to #24505 and its duplicate, #25486.
--
Ticket URL: <https://code.djangoproject.com/ticket/26162#comment:1>
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