gitlab-org--gitlab-foss/db/migrate/20170720111708_add_lock_ver...

class AddLockVersionToCiStages < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  def change
    add_column :ci_stages, :lock_version, :integer
  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 07:27:31 +00:00			`class AddLockVersionToCiStages < ActiveRecord::Migration[4.2]`
Add optimistic locking column to ci_stages table 2017-07-20 11:17:48 +00:00			`include Gitlab::Database::MigrationHelpers`

			`DOWNTIME = false`

			`def change`
			`add_column :ci_stages, :lock_version, :integer`
			`end`
			`end`