class AddIndexToProjectAuthorizations < ActiveRecord::Migration include Gitlab::Database::MigrationHelpers DOWNTIME = false disable_ddl_transaction! def up
unless index_exists?(:project_authorizations, :project_id) add_concurrent_index(:project_authorizations, :project_id) end
end
def down
remove_index(:project_authorizations, :project_id) if Gitlab::Database.postgresql?