Re: Efficient way to copy contiguous run(s) of entries

2019-05-10 Thread Ravi Kiran Chirravuri
On Thu, May 9, 2019 at 4:44 PM Wes McKinney wrote: > hi Ravi, > > It's hard to say anything without looking at some code. Are you > working on a pull request? This seems like potentially useful > functionality to have in the project. > We are currently developing on an internal netflix fork so I'

[jira] [Created] (ARROW-5300) 0.13 FAILED to build with option -DARROW_NO_DEFAULT_MEMORY_POOL

2019-05-10 Thread Weihua Jiang (JIRA)
Weihua Jiang created ARROW-5300: --- Summary: 0.13 FAILED to build with option -DARROW_NO_DEFAULT_MEMORY_POOL Key: ARROW-5300 URL: https://issues.apache.org/jira/browse/ARROW-5300 Project: Apache Arrow

[jira] [Created] (ARROW-5299) [C++] ListArray comparison is incorrect

2019-05-10 Thread Benjamin Kietzman (JIRA)
Benjamin Kietzman created ARROW-5299: Summary: [C++] ListArray comparison is incorrect Key: ARROW-5299 URL: https://issues.apache.org/jira/browse/ARROW-5299 Project: Apache Arrow Issue Ty

Re: [Discuss] [Python] protocol for conversion to pyarrow Array

2019-05-10 Thread Joris Van den Bossche
Op do 9 mei 2019 om 21:38 schreef Uwe L. Korn : > +1 to the idea of adding a protocol to let other objects define their way > to Arrow structures. For pandas.Series I would expect that they return an > Arrow Column. > > For the Arrow->pandas conversion I have a bit mixed feelings. In the > normal

Re: [Discuss] [Python] protocol for conversion to pyarrow Array

2019-05-10 Thread Joris Van den Bossche
My initial idea was to not let this protocol pass metadata around (which indeed is not possible for arrays). Currently, metadata are only saved at the level of a Table when converting from a pandas DataFrame (in Table.from_pandas()). That could continue to be the case, where Table.from_pandas both