presto-main/src/main/java/io/prestosql/sql/planner/planprinter/TextRenderer.java/TextRenderer/formatAsDataSize
class TextRenderer:    private static String formatAsDataSize(double value)
    {
        if (isNaN(value)) {
            return "?";
        }
        if (value == POSITIVE_INFINITY) {
            return "+\u221E";
        }
        if (value == NEGATIVE_INFINITY) {
            return "-\u221E";
        }

        return DataSize.succinctDataSize(value, BYTE).toString();
    }