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Posted to dev@parquet.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2017/09/21 07:35:00 UTC

[jira] [Assigned] (PARQUET-1037) Allow final RowGroup to be unfilled

     [ https://issues.apache.org/jira/browse/PARQUET-1037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe L. Korn reassigned PARQUET-1037:
------------------------------------

    Assignee: Toby Shaw

> Allow final RowGroup to be unfilled
> -----------------------------------
>
>                 Key: PARQUET-1037
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1037
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-cpp
>            Reporter: Toby Shaw
>            Assignee: Toby Shaw
>             Fix For: cpp-1.3.0
>
>
> When a RowGroup is added with AppendRowGroup, it must be filled with exactly the number of rows specified, or an exception will be thrown.
> It should be possible go back and modify the RowGroupSize metadata after a column has completed prematurely. This would be useful in scenarios where the total number of rows to be written is not known in advance.



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