[jira] [Assigned] (ARROW-11063) [Rust] Validate null counts when building arrays

["Andrew Lamb (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-11063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Lamb reassigned ARROW-11063:
-----------------------------------

    Assignee: Neville Dipale

> [Rust] Validate null counts when building arrays
> ------------------------------------------------
>
>                 Key: ARROW-11063
>                 URL: https://issues.apache.org/jira/browse/ARROW-11063
>             Project: Apache Arrow
>          Issue Type: Improvement
>            Reporter: Neville Dipale
>            Assignee: Neville Dipale
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> ArrayDataBuilder allows the user to specify a null count, alternatively calculating it if it is not set.
> The problem is that the user-specified null count is never validated against the actual count of the buffer.
> I suggest removing the ability to specify a null-count, and instead always calculating it.



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