I've sorted out the indexes (and checked that the DROP/CREATE on the index for base_branch is quick on dogfood - sub-100ms to create the modified index). As per IRC, deletion handling isn't needed in the database branch because it'll be handled explicitly in GitRepository._getDeletionRequirements.
I've sorted out the indexes (and checked that the DROP/CREATE on the index for base_branch is quick on dogfood - sub-100ms to create the modified index). As per IRC, deletion handling isn't needed in the database branch because it'll be handled explicitly in GitRepository. _getDeletionReq uirements.