record_version_state_after_migrating

# File activerecord/lib/active_record/migration.rb, line 1023
    def record_version_state_after_migrating(version)
      if down?
        migrated.delete(version)
        ActiveRecord::SchemaMigration.where(:version => version.to_s).delete_all
      else
        migrated << version
        ActiveRecord::SchemaMigration.create!(:version => version.to_s)
      end
    end