# frozen_string_literal: true

class AddTmpIndexRoutesIdForProjectNamespaces < Gitlab::Database::Migration[1.0]
  INDEX_NAME = 'tmp_index_for_project_namespace_id_migration_on_routes'

  disable_ddl_transaction!

  def up
    # Temporary index to be removed in 15.0
    # https://gitlab.com/gitlab-org/gitlab/-/issues/352353
    add_concurrent_index :routes, :id, where: "namespace_id IS NULL AND source_type = 'Project'", name: INDEX_NAME
  end

  def down
    remove_concurrent_index_by_name :routes, INDEX_NAME
  end
end