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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/09/29 20:42:00 UTC
[jira] [Commented] (ARROW-14179) [C++] Import/Export of UnionArray
in C data interface has wrong buffer count
[ https://issues.apache.org/jira/browse/ARROW-14179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17422386#comment-17422386 ]
Antoine Pitrou commented on ARROW-14179:
----------------------------------------
Thanks for the report. We should be able to fix this without breaking compatibility with previous exporters (by accepting an empty validity buffer on import).
> [C++] Import/Export of UnionArray in C data interface has wrong buffer count
> ----------------------------------------------------------------------------
>
> Key: ARROW-14179
> URL: https://issues.apache.org/jira/browse/ARROW-14179
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Roee Shlomo
> Priority: Major
> Fix For: 6.0.0
>
>
> The C Data Interface implementation for UnionArray includes a validity buffer as the first buffer. However, union arrays should have no validity buffer according to the specification ([Arrow Columnar Format — Apache Arrow v5.0.0|https://arrow.apache.org/docs/format/Columnar.html#buffer-listing-for-each-layout])
>
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