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Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars py-0.17.14

Polars: py-0.17.14 Release

Release date:
May 16, 2023
Previous version:
py-0.17.13 (released May 12, 2023)
Magnitude:
2,156 Diff Delta
Contributors:
5 total committers
Data confidence:
Commits:
18 impacting commits

18 Commits in this Release

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

perf(rust): improve `json_extract` (#8858)
Authored May 16, 2023
feat(python): add an `align` option to `pl.concat` (#8835)
Authored May 16, 2023
fix(rust, python): improve agg expr field types (#8834)
Authored May 14, 2023
feat(python): optimise `align_frames` and properly handle the case where the alignment key has duplicate values (#8825)
Authored May 13, 2023
feat(rust,python): add LazyFrame `null_count` (#8837)
Authored May 14, 2023
feat(python,rust,cli): add support for sql DISTINCT ON (#8824)
Authored May 15, 2023
refactor(python): Convert between Vec of Series/Pyseries using trait (#8846)
Authored May 15, 2023
refactor(python): much cleaner `concat` typing (#8841)
Authored May 15, 2023
refactor(python): cleaner `align_frames` typing (#8851)
Authored May 15, 2023
fix(rust,python): sql `BETWEEN` bounds should be inclusive (#8818)
Authored May 12, 2023
feat(rust, python): check categorical cache on transpose (#8836)
Authored May 14, 2023
feat(rust,python): add support for `OFFSET` keyword in SQL queries (#8833)
Authored May 14, 2023
docs(python): add examples for `Config` "set_tbl_formatting" and "set_fmt_str_lengths" methods (#8859)
Authored May 16, 2023
fix(python): handle `InitVar` typing declarations on `dataclass` objects (#8856)
Authored May 15, 2023
tests(python): slightly simplify database tests (#8865)
Authored May 16, 2023
fix(rust, python): parse offset-aware strings as UTC in read_csv when try_parse_dates=True (#8864)
Authored May 16, 2023
fix(rust, python): free buffer, but not its contents (#8848)
Authored May 15, 2023
python polars 0.17.14 (#8871)
Authored May 16, 2023

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Top Contributors in py-0.17.14

alexander-beedie
ritchie46
universalmind303
stinodego
MarcoGorelli

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Release Notes Published

πŸš€ Performance improvements

  • optimise align_frames and properly handle the case where the alignment key has duplicate values (#8825)

✨ Enhancements

  • add an align option to pl.concat (#8835)
  • add support for sql DISTINCT ON (#8824)
  • add LazyFrame null_count (#8837)
  • check categorical cache on transpose (#8836)
  • add support for OFFSET keyword in SQL queries (#8833)
  • optimise align_frames and properly handle the case where the alignment key has duplicate values (#8825)

🐞 Bug fixes

  • parse offset-aware strings as UTC in read_csv when try_parse_dates=True (#8864)
  • handle InitVar typing declarations on dataclass objects (#8856)
  • free buffer, but not its contents (#8848)
  • improve agg expr field types (#8834)
  • optimise align_frames and properly handle the case where the alignment key has duplicate values (#8825)
  • sql BETWEEN bounds should be inclusive (#8818)

πŸ› οΈ Other improvements

  • add examples for Config "set_tbl_formatting" and "set_fmt_str_lengths" methods (#8859)
  • Convert between Vec of Series/Pyseries using trait (#8846)

Thank you to all our contributors for making this release possible! @MarcoGorelli, @alexander-beedie, @ritchie46, @stinodego and @universalmind303

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