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fix(python): make read_parquet() respect rechunk flag when using pyarrow #16418

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merged 3 commits into from
May 23, 2024

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itamarst
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Fixes #16416

While playing around with measuring memory I also discovered rechunk() doesn't release the GIL, so I fixed that too while I was at it.

@github-actions github-actions bot added fix Bug fix python Related to Python Polars labels May 22, 2024
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codecov bot commented May 22, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.43%. Comparing base (775915b) to head (6168612).
Report is 2 commits behind head on main.

Additional details and impacted files
@@            Coverage Diff             @@
##             main   #16418      +/-   ##
==========================================
- Coverage   81.43%   81.43%   -0.01%     
==========================================
  Files        1409     1409              
  Lines      184567   184567              
  Branches     2962     2962              
==========================================
- Hits       150305   150299       -6     
- Misses      33746    33752       +6     
  Partials      516      516              

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@itamarst itamarst marked this pull request as ready for review May 22, 2024 21:35
@ritchie46 ritchie46 merged commit d417334 into pola-rs:main May 23, 2024
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Wouittone pushed a commit to Wouittone/polars that referenced this pull request Jun 22, 2024
…row (pola-rs#16418)

Co-authored-by: Itamar Turner-Trauring <itamar@pythonspeed.com>
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Reading parquet with PyArrow ignores rechunk argument
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