gitlab-org--gitlab-foss/db/migrate/20180119135717_add_uploader_index_to_uploads.rb
Jan Provaznik 0fc9f9d3e7 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
2018-11-22 13:18:28 +01:00

20 lines
559 B
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddUploaderIndexToUploads < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
remove_concurrent_index :uploads, :path
add_concurrent_index :uploads, [:uploader, :path], using: :btree
end
def down
remove_concurrent_index :uploads, [:uploader, :path]
add_concurrent_index :uploads, :path, using: :btree
end
end