# frozen_string_literal: true

class AddPartialIndexOnIdToLfsObjects < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false
  INDEX_NAME = 'index_lfs_objects_file_store_is_null'

  disable_ddl_transaction!

  def up
    add_concurrent_index :lfs_objects, :id, where: 'file_store IS NULL', name: INDEX_NAME
  end

  def down
    remove_concurrent_index_by_name :lfs_objects, INDEX_NAME
  end
end