#28305: AlterField migration tries to alter column that still has a foreign key
contraint
-------------------------------------+-------------------------------------
Reporter: Andreas Backx | Owner: nobody
Type: Bug | Status: closed
Component: Migrations | Version: master
Severity: Release blocker | Resolution: fixed
Keywords: mysql, | Triage Stage: Accepted
onetoonefield, utf8mb4, foreign |
key |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Andrew Badr):
Replying to [comment:15 Tim Graham <timograham@…>]:
> In [changeset:"b8a2f3c2d66aa15af4be745a576609b958a853c0" b8a2f3c]:
> {{{
> #!CommitTicketReference repository=""
revision="b8a2f3c2d66aa15af4be745a576609b958a853c0"
> [1.11.x] Fixed #28305 -- Fixed "Cannot change column 'x': used in a
foreign key constraint" crash on MySQL with a sequence of AlterField or
RenameField operations.
>
> Regression in 45ded053b1f4320284aa5dac63052f6d1baefea9.
>
> Backport of c3e0adcad8d8ba94b33cabd137056166ed36dae0 from master
> }}}
This patch broke my project! See #29787
--
Ticket URL: <https://code.djangoproject.com/ticket/28305#comment:16>
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