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Published October 28, 2023 | Version py-0.19.12
Software Open

pola-rs/polars: Python Polars 0.19.12

Authors/Creators

  • 1. @pola-rs
  • 2. Quansight
  • 3. @aertslab
  • 4. @alibaba
  • 5. The Rockefeller University
  • 6. University of California, Berkeley
  • 7. @coralogix
  • 8. Munin Data ApS
  • 9. @Quantco
  • 10. @QuantCo
  • 11. @twin-labs
  • 12. Universidad Carlos III(student)
  • 13. @Ponte-Energy-Partners

Description

⚠️ Deprecations

  • Deprecate nans_compare_equal parameter in assert utils (#12019)
  • Rename ljust/rjust to pad_end/pad_start (#11975)
  • Deprecate shift_and_fill in favor of shift (#11955)
  • Deprecate clip_min/clip_max in favor of clip (#11961)

🚀 Performance improvements

  • improve parquet downloading (#12061)
  • fix regression non-null asof join (#11984)
  • drasticly improve performance of limit on async parquet datasets (#11965)

✨ Enhancements

  • Add supertype for List/Array (#12016)
  • enable eq and neq for array dtype (#12020)
  • Expressify n of shift (#12004)
  • add dedicated name namespace for operations that affect expression names (#11973)
  • optimize asof_join and allow null/string keys (#11712)
  • limit concurrent downloads in async parquet (#11971)
  • sample fraction can take an expr (#11943)
  • Add infer_schema_length to pl.read_json (#11724)

🐞 Bug fixes

  • Fix get_index/iteration for Array types (#12047)
  • improved xlsx2csv defaults for read_excel (#12081)
  • str.concat on empty list (#12066)
  • fix issue with invalid Mapping objects used as schema being silently ignored (#12027)
  • improve ingest from numpy scalar values (#12025)
  • binary agg should group aware if literal not a scalar (#12043)
  • Use Arrow schema for file readers (#12048)
  • Error on duplicates in hive partitioning (#12040)
  • display fmt for str split (#12039)
  • sum_horizontal should not always cast to int (#12031)
  • fix apply_to_inner's dtype (#12010)
  • Allow inexact checking of nested integers (#12037)
  • Fix padding for non-ASCII strings (#12008)
  • fix dot visualization of anonymous scans (#12002)
  • SQL table aliases (#11988)
  • fix streaming multi-column/multi-dtype sort (#11981)
  • ensure streaming parquet datasets deal with limits (#11977)
  • implement proper hash for identifier in cse (#11960)
  • fix take return dtype in group context. (#11949)
  • fix panic in format of anonymous scans (#11951)
  • sql In should work without specific ops (#11947)
  • construct list series from any values subject to dtype (#11944)

🛠️ Other improvements

  • minor updates to lint-related dependencies (#12073)
  • Add Excel page to user guide (#12055)
  • Direct CONTRIBUTING to the docs website (#12042)
  • Replace black by ruff format (#11996)
  • Further assert utils refactor (#12015)
  • Remove stacklevels checker utility script (#11962)
  • Disable type checking for dataframe_api_compat dependency (#11997)
  • Fix release tag (#11994)
  • optimize asof_join and allow null/string keys (#11712)
  • Add Development and Releases sections to the documentation (#11932)
  • include the "build" dir when running make clean for docs (#11970)
  • make cloning PyExpr consistent (#11956)
  • fix take return dtype in group context. (#11949)
  • warn about scan_pyarrow_dataset's limitations and suggest scan_parquet instead (if possible) (#11952)
  • Add set_fmt_table_cell_list_len to API docs (#11942)

Thank you to all our contributors for making this release possible! @JulianCologne, @MarcoGorelli, @Rohxn16, @alexander-beedie, @braaannigan, @brayanjuls, @messense, @nameexhaustion, @orlp, @reswqa, @ritchie46, @squnit, @stinodego and @universalmind303

Files

pola-rs/polars-py-0.19.12.zip

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Additional details

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Software: https://github.com/pola-rs/polars/tree/py-0.19.12 (URL)