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https://issues.apache.org/jira/browse/ARROW-7467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Cutler resolved ARROW-7467.
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Fix Version/s: 1.0.0
Resolution: Fixed
Issue resolved by pull request 6094
[https://github.com/apache/arrow/pull/6094]
> [Java] ComplexCopier does incorrect copy for Map nullable info
> --------------------------------------------------------------
>
> Key: ARROW-7467
> URL: https://issues.apache.org/jira/browse/ARROW-7467
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Ji Liu
> Assignee: Ji Liu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> The {{MapVector}} and its 'value' vector are nullable, and its
> {{structVector}} and 'key' vector are non-nullable.
> However, the {{MapVector}} generated by ComplexCopier has all nullable fields
> which is not correct.
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