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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/06/08 13:31:19 UTC

[GitHub] [arrow] jorisvandenbossche commented on pull request #10480: ARROW-12993: [Python] Avoid half-initialized FeatherReader object

jorisvandenbossche commented on pull request #10480:
URL: https://github.com/apache/arrow/pull/10480#issuecomment-856769998


   Looks good.
   
   We have a similar pattern in `_parquet.pyx` ParquetReader, which is used in parquet.ParquetFile, and you can also get this to crash:
   
   ```
   In [7]: from pyarrow.parquet import ParquetReader
   
   In [8]: ParquetReader()
   Out[8]: <pyarrow._parquet.ParquetReader at 0x7f635377b280>
   
   In [9]: reader = ParquetReader()
   
   In [10]: reader.schema_arrow
   Segmentation fault (core dumped)
   ```
   


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