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Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars py-0.16.2

Polars: py-0.16.2 Release

Release date:
February 2, 2023
Previous version:
py-0.16.1 (released January 29, 2023)
Magnitude:
8,584 Diff Delta
Contributors:
10 total committers
Data confidence:
Commits:
38 impacting commits

38 Commits in this Release

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

test(python): Use `assert_frame_equal` instead of `assert df.frame_equal(...)` (#6553)
Authored January 30, 2023
test(python): Use `assert_series_equal` instead of `s.series_equal(...)` (#6582)
Authored January 31, 2023
style(python): Update `ruff` version and some settings (#6588)
Authored January 31, 2023
feat(rust, python): is_first for struct dtype (#6595)
Authored January 31, 2023
feat(rust, python): add streamable udfs (#6614)
Authored February 1, 2023
refactor(python): make `structify` behaviour experimental, while also extending it to aliased expressions (#6615)
Authored February 2, 2023
feat(rust, python): Added from_str_radix method to StringNameSpace that allows to parse strings from any base to i32 (#6570)
Authored January 31, 2023
fix(python): treat literal values consistently in `select` context, improve related typing (#6628)
Authored February 2, 2023
Add `dtype-i128` feature flag and `Int128Type` (#6374)
Authored February 2, 2023
build(python): Update to PyO3 to 0.18.0 (#6531)
Authored January 30, 2023
test(python): Consistent handling of env vars (#6626)
Authored February 2, 2023
feat(python): Implement DataFrame Interchange Protocol through `pyarrow` (#6581)
Authored January 31, 2023
fix(rust, python): raise error on string numeric arithmetic (#6601)
Authored January 31, 2023
docs(python): provide additional examples for `diff` methods (#6630)
Authored February 2, 2023
fix(python): ensure consistent handling of 1D numpy arrays with respect to other sequences (#6569)
Authored January 30, 2023
docs(python, rust): Add release flow info to contributing guide (#6480)
Authored January 31, 2023
fix(rust, python): fix schema of apply with many inputs on empty df (#6571)
Authored January 30, 2023
fix(python): don't convert "ns"-precision temporal types via `pyarrow` (#6592)
Authored January 31, 2023
fix(rust, python): fix predicate pushdown key check (#6577)
Authored January 30, 2023
fix(rust, python) cast to and from fixed offsets (#6602)
Authored February 2, 2023
feat(python): Implement unary plus operation on exprs and series (#6517)
Authored February 2, 2023
refactor(python): cleanup last vestiges of experimental kwargs setting (#6568)
Authored January 30, 2023
fix(rust, python): add strptime to filter boundary (#6560)
Authored January 30, 2023
docs(python): add example of using `is_between` with string bounds, and extend test coverage for the same (#6627)
Authored February 2, 2023
perf(rust, python): improve dynamic groupby performance on sorted keys (#6599)
Authored January 31, 2023
fix(rust, python); raise oob if negative index given to take (#6590)
Authored January 31, 2023
feat(rust, python): improve predicate pushdown (#6579)
Authored January 30, 2023
fix(rust, python) validate utc, fmt, and tz-aware in strptime (#6550)
Authored January 30, 2023
fix(python): Fix _repr_html_ double-height rows (#5645) (#6534)
Authored February 2, 2023
feat(rust, python): raise error on invalid binary cmp (#6564)
Authored January 30, 2023
fix(rust, python): let lhs determine struct order in supertype (#6572)
Authored January 30, 2023
fix(rust, python): partially assert sortedness in groupby dynamic (#6593)
Authored January 31, 2023
chore(python): bump black from 22.12.0 to 23.1.0 in /py-polars (#6611)
Authored February 1, 2023
chore(python): make string_repr private (#6636)
Authored February 2, 2023
chore(python): Disallow clippy borrow deref ref (#6605)
Authored January 31, 2023
chore(python): bump hypothesis from 6.62.1 to 6.65.2 in /py-polars (#6612)
Authored February 1, 2023
ci: bump dprint/check from 2.1 to 2.2 (#6610)
Authored February 1, 2023
python polars 0.16.2 (#6639)
Authored February 2, 2023

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Top Contributors in py-0.16.2

stinodego
ritchie46
alexander-beedie
cojmeister
plaflamme
jjerphan
MarcoGorelli
abalkin
2-5
dependabot-bot

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Release Notes Published

πŸš€ Performance improvements

  • improve dynamic groupby performance on sorted keys (#6599)

✨ Enhancements

  • implement fill_null for list data (#6635)
  • expression functions should be nullable (#6629)
  • Implement unary plus operation on exprs and series (#6517)
  • add streamable udfs (#6614)
  • is_first for struct dtype (#6595)
  • Added from_str_radix method to StringNameSpace that allows to parse strings from any base to i32 (#6570)
  • Implement DataFrame Interchange Protocol through pyarrow (#6581)
  • improve predicate pushdown (#6579)
  • raise error on invalid binary cmp (#6564)

🐞 Bug fixes

  • make string_repr private (#6636)
  • treat literal values consistently in select context, improve related typing (#6628)
  • Fix _repr_html_ double-height rows (#5645) (#6534)
  • fix(rust, python) cast to and from fixed offsets (#6602)
  • raise error on string numeric arithmetic (#6601)
  • don't convert "ns"-precision temporal types via pyarrow (#6592)
  • partially assert sortedness in groupby dynamic (#6593)
  • fix(rust, python); raise oob if negative index given to take (#6590)
  • fix predicate pushdown key check (#6577)
  • fix schema of apply with many inputs on empty df (#6571)
  • let lhs determine struct order in supertype (#6572)
  • ensure consistent handling of 1D numpy arrays with respect to other sequences (#6569)
  • fix(rust, python) validate utc, fmt, and tz-aware in strptime (#6550)
  • add strptime to filter boundary (#6560)

πŸ› οΈ Other improvements

  • make string_repr private (#6636)
  • add example of using is_between with string bounds, and extend test coverage for the same (#6627)
  • provide additional examples for diff methods (#6630)
  • Consistent handling of env vars (#6626)
  • make structify behaviour experimental, while also extending it to aliased expressions (#6615)
  • Disallow clippy borrow deref ref (#6605)
  • Update ruff version and some settings (#6588)
  • Add release flow info to contributing guide (#6480)
  • Use assert_series_equal instead of s.series_equal(...) (#6582)
  • cleanup last vestiges of experimental kwargs setting (#6568)
  • Use assert_frame_equal instead of assert df.frame_equal(...) (#6553)
  • Update to PyO3 to 0.18.0 (#6531)

Thank you to all our contributors for making this release possible! @2-5, @MarcoGorelli, @abalkin, @alexander-beedie, @cojmeister, @dependabot, @dependabot[bot], @jjerphan, @plaflamme, @ritchie46 and @stinodego

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