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https://issues.apache.org/jira/browse/PARQUET-278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated PARQUET-278:
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Assignee: Tianshuo Deng
Affects Version/s: 1.5.0
1.6.0
1.7.0
Fix Version/s: 1.8.0
Component/s: parquet-mr
> enforce non empty group on MessageType level
> --------------------------------------------
>
> Key: PARQUET-278
> URL: https://issues.apache.org/jira/browse/PARQUET-278
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Affects Versions: 1.5.0, 1.6.0, 1.7.0
> Reporter: Tianshuo Deng
> Assignee: Tianshuo Deng
> Fix For: 1.8.0
>
>
> As columnar format, parquet currently does not support empty struct/group
> without leaves. We should throw when constructing an empty GroupType to give
> a clear message.
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