gitlab-org--gitlab-foss/db/migrate/20160718153603_add_has_exte...

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

  def change
    add_column :projects, :has_external_wiki, :boolean
  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 AddHasExternalWikiToProjects < ActiveRecord::Migration[4.2]`
speed up ExternalWikiService#get_project_wiki_path * This method previously iterated over all services in a project. Now it will directly query the ExternalWikiService for the project and filter by active state. * The presence of an external wiki is also cached * When an external wiki is added or removed, the cached value is updated 2016-07-17 14:32:11 +00:00			`include Gitlab::Database::MigrationHelpers`

			`def change`
			`add_column :projects, :has_external_wiki, :boolean`
			`end`
			`end`