[jira] [Updated] (ARROW-13981) [Java] VectorSchemaRootAppender doesn't work for BitVector

["Krisztian Szucs (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Szucs updated ARROW-13981:
------------------------------------
    Fix Version/s: 7.0.0
                       (was: 6.0.0)

> [Java] VectorSchemaRootAppender doesn't work for BitVector
> ----------------------------------------------------------
>
>                 Key: ARROW-13981
>                 URL: https://issues.apache.org/jira/browse/ARROW-13981
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java
>    Affects Versions: 4.0.0
>            Reporter: ZHUO ZHANG
>            Assignee: Liya Fan
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 7.0.0
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> Looks like the buffer copy logic doesn't work for BitVector, even though the BitVector is from BaseFixedWidthVector. I created two VectorSchemaRoot (target empty), calling 
> {code:java}
> VectorSchemaRootAppender.append(target, source);{code}
> then reading from the target didn't give me correct result.
>  
> Hope to get confirmation from experts that this is a problem in Apache Arrow, if yes, wondering if there is a workaround (tried using copyFromSafe as well and it doesn't work either)



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