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Posted to issues@arrow.apache.org by "jorisvandenbossche (via GitHub)" <gi...@apache.org> on 2023/04/06 12:06:55 UTC

[GitHub] [arrow] jorisvandenbossche opened a new issue, #34928: [C++] utf8_slice_codeunits crashes with max start and negative step

jorisvandenbossche opened a new issue, #34928:
URL: https://github.com/apache/arrow/issues/34928

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   Reproducer in Python:
   
   ```
   In [2]: import sys
   
   In [3]: pa.compute.utf8_slice_codeunits("test", start=sys.maxsize, stop=0, step=-1)
   /home/joris/scipy/repos/arrow/cpp/src/arrow/compute/kernels/scalar_string_internal.h:109:  Check failed: (output_ncodeunits) <= (max_output_ncodeunits) 
   ```
   
   The idea is that this would slice from the end (the max int value is always beyond the end of a single string) to the beginning of the string with a certain step.
   
   ### Component(s)
   
   C++


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[GitHub] [arrow] pitrou closed issue #34928: [C++] utf8_slice_codeunits crashes with max start and negative step

Posted by "pitrou (via GitHub)" <gi...@apache.org>.

pitrou closed issue #34928: [C++] utf8_slice_codeunits crashes with max start and negative step
URL: https://github.com/apache/arrow/issues/34928


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[GitHub] [arrow] pitrou commented on issue #34928: [C++] utf8_slice_codeunits crashes with max start and negative step

Posted by "pitrou (via GitHub)" <gi...@apache.org>.

pitrou commented on issue #34928:
URL: https://github.com/apache/arrow/issues/34928#issuecomment-1630223095

   This should have been fixed by https://github.com/apache/arrow/pull/36575


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