I missed mentioning this. The repro requires my changes for decimal (in the PR).
https://github.com/apache/arrow/pull/2942 <https://github.com/apache/arrow/pull/2942> > On Jan 6, 2019, at 4:23 PM, Ravindra Pindikura <ravin...@dremio.com> wrote: > > > >> On Jan 6, 2019, at 3:38 PM, Antoine Pitrou <anto...@python.org >> <mailto:anto...@python.org>> wrote: >> >> >> Can you tell me how to reproduce? I'll take a look on Monday. > > > Thank you. I used the following steps to repro (on ubuntu 14) : > > 1. conda section to setup the python environment > > https://github.com/apache/arrow/blob/master/docs/source/python/development.rst > > <https://github.com/apache/arrow/blob/master/docs/source/python/development.rst> > > 2. Build python gandiva tests > > python setup.py build_ext --build-type=$ARROW_BUILD_TYPE --with-gandiva > —inplace > > 3. Run python gandiva tests > > pytest pyarrow --only-gandiva > > The test silently dies without printing any error msg. So, I modified > test_gandiva.py to use pdb and stepped through till I got the error > (pdb.set_trace() in test_tree_expr_builder()). > > Thanks & regards, > Ravindra. > >> >> Regards >> >> Antoine. >> >> >> Le 06/01/2019 à 10:24, Ravindra Pindikura a écrit : >>> >>> >>>> On Dec 29, 2018, at 8:03 PM, Ravindra Pindikura <ravin...@dremio.com >>>> <mailto:ravin...@dremio.com>> wrote: >>>> >>>> >>>> >>>>> On Dec 28, 2018, at 1:38 AM, Wes McKinney <wesmck...@gmail.com >>>>> <mailto:wesmck...@gmail.com>> wrote: >>>>> >>>>> You might have to wait for Antoine's help after the holidays. In the >>>>> meantime: do you get the error when building both with gcc 4.8/4.9 and >>>>> clang-6.0? I did a bit of google searching and it seems that iostream >>>>> is a common troublemaker for LLVM. I wonder if the code can be >>>>> refactored to avoid using std::cout >>>> >>>> Thanks Wes. >>>> >>>> I’ll wait for Antoine. In the meanwhile, I’ll work on the refactoring, >>>> just in case. >>> >>> Antoine, >>> >>> Can you please give your opinion on this ? I’ve hit this with java and >>> python. Fairly sure it’ll be a problem on windows too. >>> >>> Should I just break down arrow/util/decimal.cc <http://decimal.cc/> >>> <http://decimal.cc/ <http://decimal.cc/>> into two parts : one that works >>> with llvm ir (no iostream), and the remaining >>> >>> Thanks & regards, >>> ravindra. >>> >>>> >>>> >>>>> >>>>> On Thu, Dec 27, 2018 at 3:56 AM Ravindra Pindikura <ravin...@dremio.com >>>>> <mailto:ravin...@dremio.com>> wrote: >>>>>> >>>>>> Thanks Wes, that worked. >>>>>> >>>>>> When I run the gandiva tests (I did a step-through with pdb), I get this >>>>>> error : >>>>>> >>>>>>> /home/ravindra/git/arrow/python/pyarrow/tests/test_gandiva.py(50)test_tree_exp_builder() >>>>>> -> schema, [expr], pa.default_memory_pool()) >>>>>> (Pdb) >>>>>> LLVM ERROR: Program used external function '_ZNSt8ios_base4InitC1Ev' >>>>>> which could not be resolved! >>>>>> >>>>>> I had hit the same issue with java/jni, and resolved it by doing a >>>>>> NativeLibrary.getInstance() (thanks to @pitrou). My knowledge of python >>>>>> is limited - can someone please help with the same for python ? >>>>>> >>>>>> Thanks & regards, >>>>>> ravindra. >>>>>> >>>>>>> On Dec 26, 2018, at 7:55 PM, Wes McKinney <wesmck...@gmail.com >>>>>>> <mailto:wesmck...@gmail.com>> wrote: >>>>>>> >>>>>>> hi Ravindra, >>>>>>> >>>>>>> If you are using Anaconda, you need to use the conda instructions for >>>>>>> environment setup instead of virtualenv. This should be called out >>>>>>> more prominently in a warning in the docs >>>>>>> >>>>>>> - Wes >>>>>>> >>>>>>> On Tue, Dec 25, 2018 at 12:53 PM Ravindra Pindikura >>>>>>> <ravin...@dremio.com <mailto:ravin...@dremio.com>> wrote: >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> My change (decimal support in gandiva) causes a CI failure in python >>>>>>>> test_gandiva.py >>>>>>>> >>>>>>>> https://travis-ci.org/apache/arrow/jobs/471874254#L7167 >>>>>>>> <https://travis-ci.org/apache/arrow/jobs/471874254#L7167> >>>>>>>> >>>>>>>> However, the travis log has no further information on the failure. >>>>>>>> >>>>>>>> To debug this, I tried setting up a python dev environment on ubuntu >>>>>>>> 14 using the steps in >>>>>>>> https://github.com/apache/arrow/blob/master/docs/source/python/development.rst >>>>>>>> >>>>>>>> I got stuck at this (virtualenv pyarrow): >>>>>>>> >>>>>>>> ValueError: failed to parse CPython sys.version: '3.6.7 |Anaconda, >>>>>>>> Inc.| (default, Oct 23 2018, 19:19:38) \n[GCC 7.3.0]' >>>>>>>> >>>>>>>> >>>>>>>> Is this a known issue ? Any workaround ? >>>>>>>> >>>>>>>> Thanks & regards, >>>>>>>> Ravindra. >
