Hi Tashin,
Sorry for the lack of response. Unfortunatly I feel a bit out of my
depth on linker issues. I hope someone else can give advice.
Regards
Antoine.
Le 05/03/2021 à 16:09, Tahsin Hassan a écrit :
Hi,
I was wondering whether folks had a chance to look over the material and had
any pointers for the proposed approach.
If I should post in some other format or clarify something, please let me know.
In the meantime, I will try out the steps we propose.
Regards,
Tahsin
From: Tahsin Hassan <thas...@mathworks.com>
Date: Thursday, February 25, 2021 at 11:43 AM
To: dev@arrow.apache.org <dev@arrow.apache.org>
Subject: Re: [C++] libarrow isolation
Hi Antoine,
I struggled a bit to put all my thoughts in an email format, that will be
easily consumable.
So, I wrote up a github markdown to add some more detail to the issue, we are
facing.
Could you take a look, and let us know your thoughts?
https://github.com/mathworks/matlab-arrow-support-files/blob/main/libarrowclash.md
Regards,
Tahsin
From: Antoine Pitrou <anto...@python.org>
Date: Tuesday, February 23, 2021 at 1:21 PM
To: dev@arrow.apache.org <dev@arrow.apache.org>
Subject: Re: [C++] libarrow isolation
Hi Tahsin,
I see. So the error happens when loading PyArrow into MATLAB, I
suppose? What kind of error do you get?
Regards
Antoine.
Le 23/02/2021 à 18:12, Tahsin Hassan a écrit :
Hi Antoine,
MATLAB is using RTLD_GLOBAL. Hope that helps in clarifying the workflow.
Regrards,
Tahsin
________________________________
From: Antoine Pitrou <anto...@python.org>
Sent: Monday, February 22, 2021 9:41 AM
To: dev@arrow.apache.org <dev@arrow.apache.org>
Subject: Re: [C++] libarrow isolation
Le 22/02/2021 à 15:29, Tahsin Hassan a écrit :
Hi all,
MATLAB uses the Arrow C++ libraries (i.e. libarrow.so) to read and write
Parquet files (https://www.mathworks.com/help/matlab/ref/parquetread.html)
While exploring ways to integrate more tightly with Arrow, we've run into a
symbol/library naming clash issue.
When running pyarrow within the MATLAB process
(https://www.mathworks.com/help/matlab/call-python-libraries.html?s_tid=CRUX_lftnav
), the libarrow.so loaded by pyarrow clashes with the libarrow.so shipping
with MATLAB.
For the record, Python loads extension modules (such as PyArrow) with
RTLD_LOCAL. I assume MATLAB doesn't?
Regards
Antoine.
