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Posted to jira@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/06/16 13:11:00 UTC

[jira] [Commented] (ARROW-8863) [C++] Array subclass constructors must set ArrayData::null_count to 0 when there is no validity bitmap

    [ https://issues.apache.org/jira/browse/ARROW-8863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136645#comment-17136645 ] 

Wes McKinney commented on ARROW-8863:
-------------------------------------

A bug was just reported that is caused by this. Looking

> [C++] Array subclass constructors must set ArrayData::null_count to 0 when there is no validity bitmap
> ------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-8863
>                 URL: https://issues.apache.org/jira/browse/ARROW-8863
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>             Fix For: 1.0.0
>
>
> Many type-specific array constructors incorrectly set the null count to unknown. It would be better to set it to 0



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