[Buildbot] #3301: (IntegrityError) insert or update on table "buildsets" violates foreign key constraint "buildsets_sourcestampid_fkey"

[Buildbot trac]

#3301: (IntegrityError) insert or update on table "buildsets" violates foreign key
constraint "buildsets_sourcestampid_fkey"
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Reporter:  Ben     |       Owner:
    Type:  defect  |      Status:  new
Priority:  major   |   Milestone:  0.8.x
 Version:  0.8.12  |  Resolution:
Keywords:  db      |
-------------------+--------------------

Comment (by Ben):

 Upon `reconfig`, the builds that failed to be triggered are actually
 triggered.

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Ticket URL: <http://trac.buildbot.net/ticket/3301#comment:3>
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