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Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars py-0.15.2

Polars: py-0.15.2 Release

Release date:
December 2, 2022
Previous version:
py-0.15.1 (released November 26, 2022)
Magnitude:
3,005 Diff Delta
Contributors:
10 total committers
Data confidence:
Commits:
32 impacting commits

32 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

docs(python): Function and lazy function doctrings (#5657)
Authored November 28, 2022
feat(rust, python): add streaming minmax (#5693)
Authored December 2, 2022
feat(rust, python): improve dynamic inference of anyvalues and structs (#5690)
Authored December 1, 2022
refactor(rust)!: remove Series::append_array (#5681)
Authored November 30, 2022
perf(rust, python): ensure fast_explode propagates (#5676)
Authored November 30, 2022
fix(rust, python): fix boolean schema in agg_max/min (#5678)
Authored November 30, 2022
feat(python): add notebook html repr for Series (#5653)
Authored November 28, 2022
fix(rust, python): fix asof join schema (#5686)
Authored November 30, 2022
fix(rust, python): take glob into account in scan_csv 'with_schema_mo… (#5683)
Authored November 30, 2022
feat(python): Series.get_chunks (#5701)
Authored December 2, 2022
fix(rust, python): fix arange with column/literal input (#5703)
Authored December 2, 2022
fix(rust, python): fix pivot on floating point indexes (#5704)
Authored December 2, 2022
feat(rust, python): support is_in for boolean dtype (#5682)
Authored November 30, 2022
test(python): Parametrize `test_parquet_datetime` (#5696)
Authored December 2, 2022
feat(rust, python): inversely scale chunk_size with thread count in s… (#5699)
Authored December 2, 2022
fix(rust, python): fix owned arithmetic schema (#5685)
Authored November 30, 2022
fix(python): respect python objects read method even if filename is f… (#5677)
Authored November 30, 2022
fix(rust, python): fix double projection that leads to uneven union d… (#5700)
Authored December 2, 2022
fix(python): fix use of date_range with 'lazy' parameter (#5652)
Authored November 28, 2022
fix(rust, python): fix boolean arg-max if all equal (#5680)
Authored November 30, 2022
chore(rust): Remove unused symbols and uneeded `mut` qualifier (#5672)
Authored November 30, 2022
chore(rust): Include license files in Rust crates (#5675)
Authored November 30, 2022
fix(python): Fix `DataFrame.n_chunks` return type (#5650)
Authored November 28, 2022
fix(rust): Fix a bug in floating regex handling used in CSV type inference (#5695)
Authored December 2, 2022
chore: restore MIT license statement in contribution guide (#5660)
Authored November 29, 2022
chore(rust): Use `NaiveTime::from_hms_opt` instead of `NaiveTime::from_hms` (#5664)
Authored November 29, 2022
fix(python): Fix Series -> Expr dispatch for @property methods (#5689)
Authored December 1, 2022
feat(python): Support large page sizes on aarch64 linux builds (#5694)
Authored December 2, 2022
perf: update_arrow to land parquet reading improvements (#5665)
Authored November 29, 2022
(chore)python: Fix formatting (#5658)
Authored November 28, 2022
docs(rust): Reindent df! docs code (#5698)
Authored December 2, 2022
python polars 0.15.2 (#5708)
Authored December 2, 2022

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Top Contributors in py-0.15.2

ritchie46
braaannigan
alexander-beedie
jjerphan
stinodego
ankane
ghais
ghuls
zundertj
pickfire

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Release Notes Published

πŸš€ Performance improvements

  • ensure fast_explode propagates (#5676)

✨ Enhancements

  • Series.get_chunks (#5701)
  • inversely scale chunk_size with thread count in s… (#5699)
  • add streaming minmax (#5693)
  • Support large page sizes on aarch64 linux builds (#5694)
  • improve dynamic inference of anyvalues and structs (#5690)
  • support is_in for boolean dtype (#5682)
  • add notebook html repr for Series (#5653)

🐞 Bug fixes

  • fix pivot on floating point indexes (#5704)
  • fix arange with column/literal input (#5703)
  • fix double projection that leads to uneven union d… (#5700)
  • Fix Series -> Expr dispatch for @property methods (#5689)
  • fix asof join schema (#5686)
  • fix owned arithmetic schema (#5685)
  • take glob into account in scan_csv 'with_schema_mo… (#5683)
  • fix boolean schema in agg_max/min (#5678)
  • fix boolean arg-max if all equal (#5680)
  • respect python objects read method even if filename is f… (#5677)
  • Fix DataFrame.n_chunks return type (#5650)

πŸ› οΈ Other improvements

  • Parametrize test_parquet_datetime (#5696)
  • Function and lazy function doctrings (#5657)
  • Fix formatting (#5658)

Thank you to all our contributors for making this release possible! @alexander-beedie, @ankane, @braaannigan, @ghais, @ghuls, @jjerphan, @pickfire, @ritchie46, @stinodego and @zundertj

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