#34866: Cannot inspect migrations that resolve (sqaush) previous migrations
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Reporter: Giovanni Allegri | Owner: nobody
Type: Uncategorized | Status: new
Component: Migrations | Version: 4.2
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 1
UI/UX: 0 |
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Commit
https://github.com/django/django/commit/d88365708c554efe3c786c3be6da1d9de916360f
forces MigrationLoader with replace_migrations=False. This is fine to
inspect squashed migrations, as requested in
https://code.djangoproject.com/ticket/31318.
However, in case the squashed migrations remove a model or a field, the
command breaks when it reaches the migration that replaces the squashed
migrations. since this will try to modify a model that was already removed
(by the squashed migrations).
I propose to make the replace_migrations controllable with a parameter to
sqlmigrate. If not set the option will be False (as it is now by default).
The following command would make sqlmigrate replace squashed migrations:
{{{
django-admin sqlmigrate --replace-migrations ...
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/34866>
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