#32205: sqlmigrate crashes after removing squashed migrations.
-------------------------------------+-------------------------------------
     Reporter:  老广                 |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  3.1
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:  sqlmigrate           |             Triage Stage:  Accepted
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by Mariusz Felisiak):

 * status:  closed => new
 * resolution:  needsinfo =>
 * stage:  Unreviewed => Accepted


Comment:

 OK, I can reproduce this issue and attached a sample project:
 {{{
 $ python manage.py sqlmigrate test_one 0008
 ....
   File "/django/django/db/migrations/graph.py", line 58, in raise_error
     raise NodeNotFoundError(self.error_message, self.key,
 origin=self.origin)
 django.db.migrations.exceptions.NodeNotFoundError: Migration
 test_one.0006_mymodel_field_8 dependencies reference nonexistent parent
 node ('test_one', '0005_mymodel_field_7')
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/32205#comment:6>
Django <https://code.djangoproject.com/>
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