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Posted to dev@parquet.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/05/21 16:55:00 UTC

[jira] [Resolved] (PARQUET-1402) [C++] incorrect calculation column start offset for files created by parquet-mr 1.8.1

     [ https://issues.apache.org/jira/browse/PARQUET-1402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved PARQUET-1402.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: cpp-1.6.0

Issue resolved by pull request 4359
[https://github.com/apache/arrow/pull/4359]

> [C++] incorrect calculation column start offset for files created by parquet-mr 1.8.1
> -------------------------------------------------------------------------------------
>
>                 Key: PARQUET-1402
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1402
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-cpp
>            Reporter: Renat Valiullin
>            Assignee: Renat Valiullin
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: cpp-1.6.0
>
>         Attachments: test.parquet
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> parquet-mr (at least version 1.8.1-fast-201712141648170019-ab0622b)
> writes to ColumnChunk's metadata dictionary_page_offset == 0 when it is (supposed?) equal to data_page_offset.
> calculation of col_start in std::unique_ptr<PageReader> GetColumnPageReader(int i)
> works incorrectly in this case.



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