gitlab-org--gitlab-foss/db/migrate/20160509091049_add_locked_to_ci_runner.rb

class AddLockedToCiRunner < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers
  disable_ddl_transaction!

  def up
    add_column_with_default(:ci_runners, :locked, :boolean,
                            default: false, allow_null: false)
  end

  def down
    remove_column(:ci_runners, :locked)
  end
end
Add version 4.2 to all existing migrations DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912 2018-11-13 02:27:31 -05:00			`class AddLockedToCiRunner < ActiveRecord::Migration[4.2]`
include the helper 2016-06-06 06:48:18 -04:00			`include Gitlab::Database::MigrationHelpers`
			`disable_ddl_transaction!`

Update migration with add_column_with_default: Feedback: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4093#note_12278454 2016-06-06 06:20:30 -04:00			`def up`
			`add_column_with_default(:ci_runners, :locked, :boolean,`
			`default: false, allow_null: false)`
			`end`

			`def down`
			`remove_column(:ci_runners, :locked)`
Add config field to runner to lock it on project 2016-05-09 05:18:47 -04:00			`end`
			`end`