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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/05/20 09:59:00 UTC

[jira] [Commented] (ARROW-8866) [C++] Split Type::UNION into Type::SPARSE_UNION and Type::DENSE_UNION

    [ https://issues.apache.org/jira/browse/ARROW-8866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17112004#comment-17112004 ] 

Antoine Pitrou commented on ARROW-8866:
---------------------------------------

This sounds fine to me (assuming the actual PR does show some benefits, of course :-)).

> [C++] Split Type::UNION into Type::SPARSE_UNION and Type::DENSE_UNION
> ---------------------------------------------------------------------
>
>                 Key: ARROW-8866
>                 URL: https://issues.apache.org/jira/browse/ARROW-8866
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>             Fix For: 1.0.0
>
>
> Similar to the recent {{Type::INTERVAL}} split, having these two array types which have different memory layouts under the same {{Type::type}} value makes function dispatch somewhat more complicated. This issue is less critical from INTERVAL so this may not be urgent but seems like a good pre-1.0 change



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