Re: Trouble building on Mac OS Mojave

I was previously using virtualenv. On Sun, 1 Sep 2019 at 09:50, Chris Teoh wrote: > Ok thanks for your help. I will attempt to use the conda approach. > > On Sun, 1 Sep 2019 at 03:27, Wes McKinney wrote: > >> Hi Chris -- to follow up to your question also, we intend for contributors >> to build

Re: Trouble building on Mac OS Mojave

Ok thanks for your help. I will attempt to use the conda approach. On Sun, 1 Sep 2019 at 03:27, Wes McKinney wrote: > Hi Chris -- to follow up to your question also, we intend for contributors > to build from source using the CMake configuration directly. We have found > that conda is the easies

Re: [DISCUSS][Java] Should null values in VariableWidthVector/ListVector always takes 0 space?

Option 3 is the what the columnar specification currently intends, for the reasons that Jacques cites. In particular, a value can be made null only by altering the validity bitmap. It might be helpful to add some language to make clear that the contents "underneath" a null can be anything. The same

Re: [ANNOUNCE] New Arrow committer: David M Li

Congrats David Get Outlook for iOS From: Ryan Murray Sent: Saturday, August 31, 2019 4:14:08 AM To: dev@arrow.apache.org ; emkornfi...@gmail.com Subject: Re: [ANNOUNCE] New Arrow committer: David M Li Congratulations David! On Sat, 31 Au

[jira] [Created] (ARROW-6407) [C++] Stop duplicating dependency URLs between thirdparty/versions.txt and ThirdpartyToolchain.cmake

Wes McKinney created ARROW-6407: --- Summary: [C++] Stop duplicating dependency URLs between thirdparty/versions.txt and ThirdpartyToolchain.cmake Key: ARROW-6407 URL: https://issues.apache.org/jira/browse/ARROW-6407

[jira] [Created] (ARROW-6406) [C++] jemalloc_ep fails for offline build

Wes McKinney created ARROW-6406: --- Summary: [C++] jemalloc_ep fails for offline build Key: ARROW-6406 URL: https://issues.apache.org/jira/browse/ARROW-6406 Project: Apache Arrow Issue Type: Bug

[jira] [Created] (ARROW-6405) [Python] Add std::move wrapper for use in Cython

Wes McKinney created ARROW-6405: --- Summary: [Python] Add std::move wrapper for use in Cython Key: ARROW-6405 URL: https://issues.apache.org/jira/browse/ARROW-6405 Project: Apache Arrow Issue Typ

Re: Trouble building on Mac OS Mojave

Hi Chris -- to follow up to your question also, we intend for contributors to build from source using the CMake configuration directly. We have found that conda is the easiest and most reliable way to manage the dependencies for C++ and Python contributors across all platforms. If you follow the Py

[jira] [Created] (ARROW-6404) [C++] CMake build of arrow libraries fails on Windows

Arik Funke created ARROW-6404: - Summary: [C++] CMake build of arrow libraries fails on Windows Key: ARROW-6404 URL: https://issues.apache.org/jira/browse/ARROW-6404 Project: Apache Arrow Issue Ty

Re: Trouble building on Mac OS Mojave

Hello Chris, as a contributor, it is often simpler to use conda to construct a local development environment as outlined in https://arrow.apache.org/docs/developers/python.html#using-conda This is the typical environment most contributors work in. Even when not using conda as a package/environm

Re: Trouble building on Mac OS Mojave

Does this approach fit with potentially a contributor's workflow? I was looking into contributing though I'm unsure if I am doing it right. On Sat, 31 Aug 2019 at 22:22, Jeroen Ooms wrote: > On Sat, Aug 31, 2019 at 4:48 AM Chris Teoh wrote: > > > > That being said, is there an easier way by usi

Re: Trouble building on Mac OS Mojave

On Sat, Aug 31, 2019 at 4:48 AM Chris Teoh wrote: > > That being said, is there an easier way by using a Docker container I could > use to build this in? An easy way to install arrow on MacOS is using homebrew. To get a precompiled version of the latest release: brew install apache-arrow Or t

[jira] [Created] (ARROW-6403) Expose FileReader::ReadRowGroups() to Python

Arik Funke created ARROW-6403: - Summary: Expose FileReader::ReadRowGroups() to Python Key: ARROW-6403 URL: https://issues.apache.org/jira/browse/ARROW-6403 Project: Apache Arrow Issue Type: Impro

Re: [ANNOUNCE] New Arrow committer: David M Li

Congratulations David! On Sat, 31 Aug 2019, 03:56 Micah Kornfield, wrote: > Congrats David, well desrved. > > On Fri, Aug 30, 2019 at 2:02 PM Bryan Cutler wrote: > > > Congrats David! > > > > On Fri, Aug 30, 2019 at 10:19 AM Antoine Pitrou > > wrote: > > > > > > > > Congratulations David and w