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Posted to issues@arrow.apache.org by "Antoine Pitrou (JIRA)" <ji...@apache.org> on 2018/05/14 16:48:00 UTC

[jira] [Commented] (ARROW-2532) [C++] Add chunked builder classes

    [ https://issues.apache.org/jira/browse/ARROW-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16474457#comment-16474457 ] 

Antoine Pitrou commented on ARROW-2532:
---------------------------------------

See PARQUET-1239 for an example where this comes up.

> [C++] Add chunked builder classes
> ---------------------------------
>
>                 Key: ARROW-2532
>                 URL: https://issues.apache.org/jira/browse/ARROW-2532
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 0.9.0
>            Reporter: Antoine Pitrou
>            Priority: Major
>
> I think it would be useful to have chunked builders for list, string and binary types. A chunked builder would produce a chunked array as output, circumventing the 32-bit offset limit of those types. There's some special-casing scatterred around our Numpy conversion routines right now.



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