summaryrefslogtreecommitdiff
path: root/db/migrate/20161202152035_add_index_to_routes.rb
blob: 6d6c8906204a24173d439d4a4fadb5e626c3a4cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.

class AddIndexToRoutes < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  # Set this constant to true if this migration requires downtime.
  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index(:routes, :path, unique: true)
    add_concurrent_index(:routes, [:source_type, :source_id], unique: true)
  end

  def down
    remove_index(:routes, :path) if index_exists? :routes, :path
    remove_index(:routes, [:source_type, :source_id]) if index_exists? :routes, [:source_type, :source_id]
  end
end