search for: migrate_engine

...ke that approach either. Since it never reached consensus I figured I''d try another approach that''s worked well for Pivotal Labs'' Desert system (we''ve been doing things that way for several years). The basic idea is to add a method to the Migration class: migrate_engine(engine_name, target_version). You have to manually add a migration to the app''s migrations, but that''s nice and explicit the way we want it to be. The migration looks something like this: class UpgradeToMarchRelease < ActiveRecord::Migration def self.up...