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Posted to jira@arrow.apache.org by "Sarah Gilmore (Jira)" <ji...@apache.org> on 2021/11/18 16:10:00 UTC
[jira] [Updated] (ARROW-14723) [Python] pyarrow cannot import parquet files containing row groups whose lengths exceed int32 max.
[ https://issues.apache.org/jira/browse/ARROW-14723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sarah Gilmore updated ARROW-14723:
----------------------------------
Attachment: main.cpp
> [Python] pyarrow cannot import parquet files containing row groups whose lengths exceed int32 max.
> ---------------------------------------------------------------------------------------------------
>
> Key: ARROW-14723
> URL: https://issues.apache.org/jira/browse/ARROW-14723
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 5.0.0
> Reporter: Sarah Gilmore
> Priority: Minor
> Attachments: intmax32.parq, intmax32plus1.parq, main.cpp
>
>
> It's possible to create Parquet files containing row groups whose lengths are greater than int32 max (2147483647). However, Pyarrow cannot read these files.
> {code:java}
> >>> import pyarrow as pa
> >>> import pyarrow.parquet as pq
> # intmax32.parq can be read in without any issues
> >>> t = pq.read_table("intmax32.parq");
> $ intmax32plus1.parq cannot be read in
> >>> t = pq.read_table("intmax32plus1.parq");
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pyarrow/parquet.py", line 1895, in read_table
> return dataset.read(columns=columns, use_threads=use_threads,
> File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/pyarrow/parquet.py", line 1744, in read
> table = self._dataset.to_table(
> File "pyarrow/_dataset.pyx", line 465, in pyarrow._dataset.Dataset.to_table
> File "pyarrow/_dataset.pyx", line 3075, in pyarrow._dataset.Scanner.to_table
> File "pyarrow/error.pxi", line 143, in pyarrow.lib.pyarrow_internal_check_status
> File "pyarrow/error.pxi", line 114, in pyarrow.lib.check_status
> OSError: Negative size (corrupt file?)
> {code}
>
> However, both files can be imported via the C++ Arrow bindings without any issues.
>
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