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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2019/09/18 11:11:00 UTC

[jira] [Updated] (ARROW-5933) [C++] [Documentation] add discussion of Union.typeIds to Layout.rst

     [ https://issues.apache.org/jira/browse/ARROW-5933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-5933:
----------------------------------
    Fix Version/s: 1.0.0

> [C++] [Documentation] add discussion of Union.typeIds to Layout.rst 
> --------------------------------------------------------------------
>
>                 Key: ARROW-5933
>                 URL: https://issues.apache.org/jira/browse/ARROW-5933
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++, Documentation
>            Reporter: Benjamin Kietzman
>            Assignee: Benjamin Kietzman
>            Priority: Major
>             Fix For: 1.0.0
>
>
> Union.typeIds is poorly documented and the corresponding property in UnionType is confusingly named type_codes. In particular, Layout.rst doesn't include an explanation of Union.typeIds and implies that an element of a union array's type_ids buffer is always the index of a child array.



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