#30591: MySQL: 1215 - "Cannot add foreign key constraint" when altering type of
unique field referenced by ForeignKey.
----------------------------------+--------------------------------------
     Reporter:  Cornelis Poppema  |                    Owner:  Adnan Umer
         Type:  Bug               |                   Status:  closed
    Component:  Migrations        |                  Version:  master
     Severity:  Normal            |               Resolution:  fixed
     Keywords:                    |             Triage Stage:  Accepted
    Has patch:  1                 |      Needs documentation:  0
  Needs tests:  0                 |  Patch needs improvement:  0
Easy pickings:  0                 |                    UI/UX:  0
----------------------------------+--------------------------------------

Comment (by Mariusz Felisiak <felisiak.mariusz@…>):

 In [changeset:"5220ca8d8a109721378e8d4c7f32e342c3a83af6" 5220ca8]:
 {{{
 #!CommitTicketReference repository=""
 revision="5220ca8d8a109721378e8d4c7f32e342c3a83af6"
 Refs #30591 -- Adjusted table rebuild for non-pk relationship on SQLite.

 The existing code was only accounting for primary key changes and not
 all unique key fields that can be referenced.
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/30591#comment:11>
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