[Buildbot] #2696: (PostgreSQL) missing rollback in db.scheduler

[Buildbot trac]

#2696: (PostgreSQL) missing rollback in db.scheduler
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Reporter:  gracinet  |       Owner:
    Type:  defect    |      Status:  new
Priority:  major     |   Milestone:  undecided
 Version:  master    |  Resolution:
Keywords:            |
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Comment (by dustin):

 Gracinet's comment has me concerned that this doesn't quite solve the
 issue, since it may roll back some inserts which won't be replicated by
 the subsequent update.

 Can you make a failing test case that we can use to verify a fix?

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Ticket URL: <http://trac.buildbot.net/ticket/2696#comment:4>
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