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Posted to dev@parquet.apache.org by "Francois Saint-Jacques (Jira)" <ji...@apache.org> on 2020/05/22 13:26:00 UTC

[jira] [Created] (PARQUET-1867) [C++] Fix MetaData children object lifetime issues

Francois Saint-Jacques created PARQUET-1867:
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             Summary: [C++] Fix MetaData children object lifetime issues
                 Key: PARQUET-1867
                 URL: https://issues.apache.org/jira/browse/PARQUET-1867
             Project: Parquet
          Issue Type: Improvement
          Components: parquet-cpp
            Reporter: Francois Saint-Jacques


FileMetaData::RowGroup(int i) and RowGroupMetaData::ColumnChunk(i)  returns both a unique_ptr<T> which gives the impression that the object are self-contained and safe to own without any lifetime issue.

The reality is that the caller must hold the lifetime of the parent object. We should change the signature to a const-ref instead.



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