#31834: Cannot sqlmigrate on Django migrations that change unique_together
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     Reporter:  Brіаn Lаі   |                    Owner:  nobody
         Type:  Bug         |                   Status:  closed
    Component:  Migrations  |                  Version:  3.0
     Severity:  Normal      |               Resolution:  duplicate
     Keywords:  sqlmigrate  |             Triage Stage:  Unreviewed
    Has patch:  0           |      Needs documentation:  0
  Needs tests:  0           |  Patch needs improvement:  0
Easy pickings:  0           |                    UI/UX:  0
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Changes (by felixxm):

 * status:  new => closed
 * resolution:   => duplicate
 * component:  Database layer (models, ORM) => Migrations


Comment:

 I think we can mark this as a duplicate of #26624, because they have the
 same cause. In both scenarios a constraint doesn't exist in the database
 and cannot be introspected, `sqlmigrate` works properly if you first apply
 a migration which adds a constraint.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/31834#comment:3>
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