[jira] [Resolved] (ARROW-3573) [Rust] with_bitset does not set valid bits correctly

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-3573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe L. Korn resolved ARROW-3573.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 0.12.0

Issue resolved by pull request 2803
[https://github.com/apache/arrow/pull/2803]

> [Rust] with_bitset does not set valid bits correctly
> ----------------------------------------------------
>
>                 Key: ARROW-3573
>                 URL: https://issues.apache.org/jira/browse/ARROW-3573
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Rust
>            Reporter: Paddy Horan
>            Assignee: Paddy Horan
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 0.12.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The boundary check is off a little, {color:#333333}`MutableBuffer::new(64).with_bitset(64, false);` will fail.  This issue only happens if the arguments to `new` and `with_bitset` are the same and a multiple of 64.
> {color}
> {color:#333333}`write_bytes` is currently writing 1 instead of 255 to set all the bits when `val` is `true`{color}



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