presto-blackhole/src/main/java/io/prestosql/plugin/blackhole/BlackHolePageSourceProvider.java/BlackHolePageSourceProvider/isNumericType
class BlackHolePageSourceProvider:    public static boolean isNumericType(Type type)
    {
        return type instanceof TinyintType ||
                type instanceof SmallintType ||
                type instanceof IntegerType ||
                type instanceof BigintType ||
                type instanceof RealType ||
                type instanceof DoubleType ||
                type instanceof DecimalType;
    }