[Buildbot] #3121: Master deactivation iterates over all builds

[Buildbot trac]

#3121: Master deactivation iterates over all builds
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Reporter:  dustin            |       Owner:
    Type:  defect            |      Status:  new
Priority:  major             |   Milestone:  0.9.+
 Version:  0.8.10            |  Resolution:
Keywords:  database, simple  |
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Comment (by dustin):

 (based on https://github.com/buildbot/buildbot/pull/1408/files#r21196716)

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Ticket URL: <http://trac.buildbot.net/ticket/3121#comment:1>
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