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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2018/12/13 03:19:00 UTC

[jira] [Resolved] (ARROW-3774) [C++] Change parquet::arrow::FileReader::ReadRowGroups to read into contiguous arrays

     [ https://issues.apache.org/jira/browse/ARROW-3774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-3774.
---------------------------------
    Resolution: Won't Fix
      Assignee: Wes McKinney

I'm not sure this is really useful. Closing

> [C++] Change parquet::arrow::FileReader::ReadRowGroups to read into contiguous arrays
> -------------------------------------------------------------------------------------
>
>                 Key: ARROW-3774
>                 URL: https://issues.apache.org/jira/browse/ARROW-3774
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Uwe L. Korn
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: parquet
>
> Instead of creating a chunk per RowGroup, we should read at least for primitive type into a single, pre-allocated Array. This needs some new functionality in the Record reader classes and thus should be done after https://github.com/apache/parquet-cpp/pull/462 is merged.



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