#23624: Regression in ManyToManyField with through, runtime-generated models
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Reporter: ludoo | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.7
(models, ORM) | Resolution:
Severity: Normal | Triage Stage:
Keywords: | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by ludoo):
Progress.
I have found out that the exception disappears if the m2m field name is
the same as the fk field name in the through object: the keys in the
_name_map of the model holding the m2m field are populated using the
through model's field names. If the m2m field is named differently, the
field is missing from the name map and is not found at query time.
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Ticket URL: <https://code.djangoproject.com/ticket/23624#comment:4>
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