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Posted to dev@parquet.apache.org by "Philipp Hoch (JIRA)" <ji...@apache.org> on 2018/06/22 06:45:00 UTC

[jira] [Created] (PARQUET-1333) [C++] Reading of files with dictionary size 0 fails on Windows with bad_alloc

Philipp Hoch created PARQUET-1333:
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             Summary: [C++] Reading of files with dictionary size 0 fails on Windows with bad_alloc
                 Key: PARQUET-1333
                 URL: https://issues.apache.org/jira/browse/PARQUET-1333
             Project: Parquet
          Issue Type: Bug
          Components: parquet-cpp
    Affects Versions: 1.9.0
         Environment: Microsoft Windows 10 Pro with latest arrow master.
            Reporter: Philipp Hoch


Account for total_size being 0, having no dictionary entries to allocate for.

The call with size 0 ends up in arrows memory_pool, [https://github.com/apache/arrow/blob/884474ca5ca1b8da55c0b23eb7cb784c2cd9bdb4/cpp/src/arrow/memory_pool.cc#L50], and the according allocation fails. See according documentation, [https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/aligned-malloc]. Only happens on Windows environment, as posix_memalign seems to handle 0 inputs in unix environments.



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