view db/migrate/092_change_changes_from_revision_to_string.rb @ 1234:e0167f4e1d8a redmine-2.2-integration

We have a MyHelper now, so we need a MyHelperPatch (also some other minor fixes)

class ChangeChangesFromRevisionToString < ActiveRecord::Migration
  def self.up
    change_column :changes, :from_revision, :string
  end

  def self.down
    change_column :changes, :from_revision, :integer
  end
end