[C++-sig] Boost Python. access pandas columns in the same order as in python

[Stefan Seefeld]

On 04.10.2016 09:05, Vladimir Sakharuk wrote:
>
> Hello All,
>
>
> Trying to figure out how to c++ access pandas dataframe columns in the
> same order as they exist in the python.
>
> in python:
>

[...]

> ||
> |    //outputs regardless of original order of column names.   
> //index=0, colname=AAA    //index=1, colname=BBB    //index=2,
> colname=CCC|
>
> As you can see pythons' order 'CCC','BBB','AAA' is not same as c++
> 'AAA', 'BBB', 'CCC'. Looks like those order depend on object hasing.
>
>
> How could I get those values in the original order of pandas dataframe
> from C++?
>

I can't reproduce that; I see the same order (['CCC', 'BBB', 'AAA'])
both in Python and in C++ with your code above.

FWIW,
        Stefan


-- 

      ...ich hab' noch einen Koffer in Berlin...