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Posted to issues@arrow.apache.org by "Zachary Gramana (Jira)" <ji...@apache.org> on 2020/04/25 01:05:00 UTC

[jira] [Commented] (ARROW-5634) [C#] ArrayData.NullCount should be a property

    [ https://issues.apache.org/jira/browse/ARROW-5634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17091994#comment-17091994 ] 

Zachary Gramana commented on ARROW-5634:
----------------------------------------

[GitHub Pull Request #7032|https://github.com/apache/arrow/pull/7032] now properly computes the `NullCount` value and passes it to the `ArrayData` ctor in the `Slice` method.

`NullCount` should remain a readonly field, however, in order to preserve immutability.

> [C#] ArrayData.NullCount should be a property 
> ----------------------------------------------
>
>                 Key: ARROW-5634
>                 URL: https://issues.apache.org/jira/browse/ARROW-5634
>             Project: Apache Arrow
>          Issue Type: Task
>          Components: C#
>            Reporter: Prashanth Govindarajan
>            Priority: Major
>
> ArrayData.NullCount should be a property so that it can be computed when necessary: for ex: after Slice(), NullCount is -1 and needs to be computed 



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