# frozen_string_literal: true

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

  DOWNTIME = false
  GROUP_ID_INDEX_NAME = 'index_vulnerability_exports_on_group_id_not_null'

  disable_ddl_transaction!

  def up
    add_concurrent_index(:vulnerability_exports, :group_id, where: 'group_id IS NOT NULL', name: GROUP_ID_INDEX_NAME)
    add_concurrent_foreign_key(:vulnerability_exports, :namespaces, column: :group_id)
  end

  def down
    remove_foreign_key(:vulnerability_exports, column: :group_id)
    remove_concurrent_index_by_name(:vulnerability_exports, GROUP_ID_INDEX_NAME)
  end
end