travis-ci/travis-core — pull request #124 by drogus (2012-10-18 21:14:00+00:00)
Title: Denormalize event_type

We do a lot of fetched of builds based on event_type, caching event_type
in builds will speed things up (this commit does not contain any
optimizations yet, I would like to make them after it's already changed
in production).