[Python-Dev] Convert from unsigned long long to PyLong

Tian JiaLin himurakenshin54 at gmail.com
Fri Jul 22 12:06:04 EDT 2016

Yes, you are right.  Definitely "long" in Python can represent a number
much bigger than the native.

But the range of returned value from mysql_affected_rows within 0 ~ 2^64-1.
No matter how it's converted, the converted value in Python also should in
the range of 0 ~ 2^64 - 1.

On Fri, Jul 22, 2016 at 11:50 PM, Eric Snow <ericsnowcurrently at gmail.com>

> On Fri, Jul 22, 2016 at 3:02 AM, Stefan Ring <stefanrin at gmail.com> wrote:
> > So to sum this up, you claim that PyLong_FromUnsignedLongLong can
> > somehow produce a number larger than the value range of a 64 bit
> > number (0x10000000000000180). I have a hard time believing this.
> Perhaps I misunderstood your meaning, but Python's integers (AKA
> "PyLong") can be bigger that a machine-native integer (e.g. 64 bits):
> "All integers are implemented as “long” integer objects of *arbitrary
> size*." (emphasis mine)
> (https://docs.python.org/3.5//c-api/long.html)
> -eric


Just Follow Your Heart
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