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Dataframes powered by a multithreaded, vectorized query engine, written in Rust

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Polars py-0.15.14

Polars: py-0.15.14 Release

Release date:

January 9, 2023

Previous version:

py-0.15.13 (released January 6, 2023)

Magnitude:

2,862 Diff Delta

Contributors:

6 total committers

Data confidence:

Commits:

26 Commits in this Release

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

feat(rust, python): add search_sorted for arrays and utf8 dtype (#6083)

Authored January 6, 2023

feat(rust, python): add `arr.take` expression (#6116)

Authored January 8, 2023

refactor(rust): replace exact instances of Option/Result combinators (#6088)

Authored January 7, 2023

feat(python, rust): add a `rounded_corners` modifier to `pl.Config.set_tbl_formatting` (#6108)

Authored January 8, 2023

feat(python): additional (opt-in) options for assert_frame_equal (#6096)

Authored January 7, 2023

feat(python): huge speedup of scalar-to-array expansion on frame init from dict (#6111)

Authored January 8, 2023

feat(rust): Get polars to compile to wasm target (#6050)

Authored January 6, 2023

feat(python): extend existing fast range->Series init to lists of ranges in a Series (#6099)

Authored January 7, 2023

refactor(rust): add single threaded sort internally (#6103)

Authored January 7, 2023

feat(python,rust): allow `extend_constant` to work with date literals (#6114)

Authored January 8, 2023

fix(python): Support all datatypes in glimpse and align with head/tail (#6091)

Authored January 7, 2023

feat(rust, python): allow nested categorical cast (#6113)

Authored January 8, 2023

refactor(rust): remove vertical take (#6112)

Authored January 8, 2023

fix(python): ensure multi-line type hints are parenthesised (#6100)

Authored January 7, 2023

perf(rust, python): first check rev-map on categorical equality check (#6085)

Authored January 6, 2023

chore(python): Use Dataframe.item internally and in tests (#6109)

Authored January 8, 2023

fix(rust, python): propogate nulls in binary arithmetic/aggregation (#6076)

Authored January 6, 2023

fix(rust, python): fix invalid dtype in chunked array after struct cast (#6093)

Authored January 7, 2023

fix(rust, python): don't run cse cache_states if no projections found (#6087)

Authored January 7, 2023

fix(rust, python): Update `read_csv` error message (#6082)

Authored January 6, 2023

chore: update read to include pyo3-polars (#6101)

Authored January 7, 2023

fix(rust): Print error message on mmap IPC file only in verbose mode (#6098)

Authored January 7, 2023

chore(python): Assert deprecation warning on check_column_names (#6110)

Authored January 8, 2023

chore(python): enable `unused import` autofix via ruff (#6102)

Authored January 7, 2023

chore(python): Fix docstring with_context (#6118)

Authored January 8, 2023

python 0.15.14 (#6119)

Authored January 9, 2023

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Top Contributors in py-0.15.14

ritchie46

alexander-beedie

huitseeker

zundertj

gitkwr

stinodego

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Release Notes Published

🚀 Performance improvements

first check rev-map on categorical equality check (#6085)

✨ Enhancements

add arr.take expression (#6116)
allow extend_constant to work with date literals (#6114)
allow nested categorical cast (#6113)
add a rounded_corners modifier to pl.Config.set_tbl_formatting (#6108)
huge speedup of scalar-to-array expansion on frame init from dict (#6111)
extend existing fast range->Series init to lists of ranges in a Series (#6099)
additional (opt-in) options for assert_frame_equal (#6096)
add search_sorted for arrays and utf8 dtype (#6083)

🐞 Bug fixes

ensure multi-line type hints are parenthesised (#6100)
fix invalid dtype in chunked array after struct cast (#6093)
don't run cse cache_states if no projections found (#6087)
Support all datatypes in glimpse and align with head/tail (#6091)
Update read_csv error message (#6082)
propogate nulls in binary arithmetic/aggregation (#6076)

🛠️ Other improvements

Fix docstring with_context (#6118)
Use Dataframe.item internally and in tests (#6109)
Assert deprecation warning on check_column_names (#6110)
enable unused import autofix via ruff (#6102)

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