#26304: Unable to use unmanaged ManyToMany through models when backed by a View.
-------------------------------------+-------------------------------------
     Reporter:  schinckel            |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  master
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  1
Easy pickings:  0                    |                    UI/UX:  0
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Comment (by MarkusH):

 > I believe that this can be resolved by only adding those many-to-many
 fields that do not have a through model marked as unmanaged.

 Don't you run into an issue if the rows on either end of the M2M field are
 truncated but the rows in the through table still exist pointing to
 nowhere, which effectively would blow up with broken foreignkey
 constraints?

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Ticket URL: <https://code.djangoproject.com/ticket/26304#comment:3>
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