#27267: Renaming a primary key fails with "cannot drop constraint on table 
because
other objects depend on it"
--------------------------------+--------------------------------------
     Reporter:  Melvyn Sopacua  |                    Owner:  nobody
         Type:  Bug             |                   Status:  new
    Component:  Migrations      |                  Version:  1.8
     Severity:  Normal          |               Resolution:
     Keywords:                  |             Triage Stage:  Unreviewed
    Has patch:  0               |      Needs documentation:  0
  Needs tests:  0               |  Patch needs improvement:  0
Easy pickings:  0               |                    UI/UX:  0
--------------------------------+--------------------------------------

Comment (by Melvyn Sopacua):

 One step closer: the default in the column definition doesn't contain the
 Nextval() function for the serial. So two weird points:

 1. Django prompts for missing default and given that the Nextval() for the
 serial isn't being picked up this seems logical
 2. When a default is specified, suddenly psychopg2 complains about two
 defaults, so between that check and the SQL backend a default value is
 inserted *but* doesn't end up in the table definition.

--
Ticket URL: <https://code.djangoproject.com/ticket/27267#comment:10>
Django <https://code.djangoproject.com/>
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