Mnesia.create_table.ex

defp create_table() do
    case :mnesia.create_table(@module, [
           {:ram_copies, [node()]},
           storage_properties: [[ets: [:compressed]]],
           attributes: @attributes,
           index: @indexes
         ]) do
      :ok -> :ok
      {:atomic, :ok} -> :ok
      {:aborted, {:already_exists, @module}} -> :ok
      any -> {:error, {:create_table, any}}
    end
  end