gitlab-org--gitlab-foss/db/migrate/20160217174422_add_note_to_...

class AddNoteToTasks < ActiveRecord::Migration[4.2]
  def change
    add_reference :tasks, :note, index: true
  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 AddNoteToTasks < ActiveRecord::Migration[4.2]`
Create a pending task when a user is mentioned on a note 2016-02-17 19:45:32 +00:00			`def change`
			`add_reference :tasks, :note, index: true`
			`end`
			`end`