0fc9f9d3e7
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
17 lines
390 B
Ruby
17 lines
390 B
Ruby
# rubocop:disable all
|
|
class AddFingerprintIndex < ActiveRecord::Migration[4.2]
|
|
disable_ddl_transaction!
|
|
|
|
DOWNTIME = false
|
|
|
|
# https://gitlab.com/gitlab-org/gitlab-ee/issues/764
|
|
def change
|
|
args = [:keys, :fingerprint]
|
|
|
|
if Gitlab::Database.postgresql?
|
|
args << { algorithm: :concurrently }
|
|
end
|
|
|
|
add_index(*args) unless index_exists?(:keys, :fingerprint)
|
|
end
|
|
end
|