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Ticket #280 (closed defect: fixed)

Opened 4 years ago

Last modified 3 years ago

Removing a OneToOneField Tries to add ID before before removing old PK

Reported by: ed@… Owned by: andrew
Priority: minor Milestone: 0.7
Component: commands Version: 0.6.2
Keywords: OneToOneField, postgres Cc:

Description

If you remove a OneToOneField? from a model, postgres produces the following error:

File "c:\projects\wpf\eggs\django-1.0.2_final-py2.6.egg\django\db\backends\util.py", line 19, in execute
    return self.cursor.execute(sql, params)
psycopg2.ProgrammingError: multiple primary keys for table "edu_core_address" are not allowed

Workaround is to change the order in the migration and move the drop of the old PK before the add of the new PK (id).

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Change History

comment:1 Changed 4 years ago by andrew

  • Status changed from new to assigned
  • Milestone set to 0.7

Yes, this is one of the general issues with the ordering of stuff in startmigration. We're reworking it in 0.7, so assigning it there.

comment:2 Changed 4 years ago by andrew

  • Status changed from assigned to closed
  • Resolution set to fixed

South 0.7 now always puts field deletions first, so this bug is solved.

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