[jira] [Created] (ARROW-1881) [Python] setuptools_scm picks up JS version tags

Uwe L. Korn created ARROW-1881: -- Summary: [Python] setuptools_scm picks up JS version tags Key: ARROW-1881 URL: https://issues.apache.org/jira/browse/ARROW-1881 Project: Apache Arrow Issue Type:

[jira] [Created] (ARROW-1882) [C++] Reintroduce DictionaryBuilder

Uwe L. Korn created ARROW-1882: -- Summary: [C++] Reintroduce DictionaryBuilder Key: ARROW-1882 URL: https://issues.apache.org/jira/browse/ARROW-1882 Project: Apache Arrow Issue Type: Bug

[jira] [Created] (ARROW-1883) [Python] BUG: Table.to_pandas metadata checking fails if columns are not present

Joris Van den Bossche created ARROW-1883: Summary: [Python] BUG: Table.to_pandas metadata checking fails if columns are not present Key: ARROW-1883 URL: https://issues.apache.org/jira/browse/ARROW-1883

[jira] [Created] (ARROW-1884) [C++] Make JsonReader/JsonWriter classes internal APIs

Wes McKinney created ARROW-1884: --- Summary: [C++] Make JsonReader/JsonWriter classes internal APIs Key: ARROW-1884 URL: https://issues.apache.org/jira/browse/ARROW-1884 Project: Apache Arrow Iss

Re: Help in reconciling how arrow helps with columnar processing?

hi Matan, I recommend this presentation for a detailed discussion of these points: https://www.slideshare.net/julienledem/the-columnar-roadmap-apache-parquet-and-apache-arrow To your questions: 1. Arrow's "fully shredded" columnar representation ensures a few things * Reliable data locality fo

[jira] [Created] (ARROW-1885) [Java] Restore previous MapVector class names

Bryan Cutler created ARROW-1885: --- Summary: [Java] Restore previous MapVector class names Key: ARROW-1885 URL: https://issues.apache.org/jira/browse/ARROW-1885 Project: Apache Arrow Issue Type:

Coordinating Arrow 0.8.0 end-game

hi folks, I wanted to start a coordination thread to stay on top of the remaining items to be able to get to a release-able state for 0.8.0, by end of this week or beginning of next week with any luck. There are a number of housekeeping items we are working on the C++/Python side, but some of thes

[jira] [Created] (ARROW-1886) [Python] Add function to "explode" structs within tables

Wes McKinney created ARROW-1886: --- Summary: [Python] Add function to "explode" structs within tables Key: ARROW-1886 URL: https://issues.apache.org/jira/browse/ARROW-1886 Project: Apache Arrow I

Re: Help in reconciling how arrow helps with columnar processing?

Thanks Wes, This makes really a lot of sense, and I'll keep the references for my reference! Matan Sent from my iPad > On 4 Dec 2017, at 17:52, Wes McKinney wrote: > > hi Matan, > > I recommend this presentation for a detailed discussion of these > points: > https://www.slideshare.net/julie