buildbot/buildbot — comment on commit 8b1cee84683fd185d46aea193a01f2b42b4f5503
File: master/buildbot/db/migrate/versions/011_add_buildrequest_claims.py line 67
By djmitche:

Indeed, it does - more importantly, it drops the indexes! I've filed http://trac.buildbot.net/ticket/2158 to figure this out.