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add warning to docs about renaming superclass #764

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JohananOppongAmoateng wants to merge 2 commits into from
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add warning to docs about renaming superclass #764

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add warning to docs about renaming superclass which causes migratio…
JohananOppongAmoateng Dec 26, 2025
7c377e4
Merge branch 'jazzband:master' into renaming-superclass
JohananOppongAmoateng Dec 31, 2025
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10 changes: 10 additions & 0 deletions docs/migrating.rst
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Expand Up @@ -79,3 +79,13 @@ When the model is created elsewhere, you can also use the
reset_polymorphic_ctype(Base, Sub1, Sub2)

reset_polymorphic_ctype(Base, Sub1, Sub2, ignore_existing=True)


Renaming Polymorphic Models
============================

.. warning::

Renaming a polymorphic base class is a complex operation that requires manual migration editing.
Django's automatic migration generation does not properly handle renaming models with multi-table
inheritance, which can lead to invalid SQL and data loss.
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