Add a missing free plan to the database

db/migrate/20171002105019_create_missing_free_plan.rb

+class CreateMissingFreePlan < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  class Plan < ActiveRecord::Base
+    self.table_name = 'plans'
+  end
+
+  def up
+    Plan.create!(name: 'free', title: 'Free')
+  end
+
+  def down
+    Plan.find_by(name: 'free')&.destroy!
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170929080234) do
+ActiveRecord::Schema.define(version: 20171002105019) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"