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

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Polars py-0.15.7

Polars: py-0.15.7 Release

Release date:

December 18, 2022

Previous version:

py-0.15.6 (released December 14, 2022)

Magnitude:

2,310 Diff Delta

Contributors:

3 total committers

Data confidence:

Commits:

18 Commits in this Release

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

refactor(rust): move join dispatch to polars-ops (#5809)

Authored December 14, 2022

fix(python): fix delta issues (#5802)

Authored December 17, 2022

feat(rust, python): implement sensible boolean aggregates (#5806)

Authored December 14, 2022

feat(rust, python): implement mean aggregation for duration (#5807)

Authored December 14, 2022

perf(rust, python): impove performance reducing window functions with numeric output `~-14%` (#5841)

Authored December 18, 2022

fix(rust, python): asof join by logical groups (#5805)

Authored December 14, 2022

fix(rust, python): keep f32 dtype in fill_null by int (#5834)

Authored December 17, 2022

fix(rust, python): respect fetch in union (#5836)

Authored December 17, 2022

feat(rust, python): Support parsing more float string representations. (#5824)

Authored December 16, 2022

fix(rust, python): correct invalid type in struct anyvalue access (#5844)

Authored December 18, 2022

fix(rust, python): fix panic in hmean (#5808)

Authored December 14, 2022

fix(rust, python): don't set fast_explode if null values in list (#5838)

Authored December 17, 2022

feat(python): release GIL when writing (#5830)

Authored December 16, 2022

fix(rust, python): err on epoch on time dtype (#5831)

Authored December 16, 2022

feat(python): allow more pyarrow literals (#5842)

Authored December 18, 2022

fix(rust, python): duration formatting (#5837)

Authored December 17, 2022

refactor(python): lazily import connectorx (#5835)

Authored December 17, 2022

python polars 0.15.7 (#5845)

Authored December 18, 2022

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Top Contributors in py-0.15.7

ritchie46

chitralverma

ghuls

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Release Notes Published

🚀 Performance improvements

impove performance reducing window functions with numeric output ~-14% (#5841)

✨ Enhancements

allow more pyarrow literals (#5842)
add sink_parquet (#5480)
release GIL when writing (#5830)
Support parsing more float string representations. (#5824)
implement mean aggregation for duration (#5807)
implement sensible boolean aggregates (#5806)

🐞 Bug fixes

correct invalid type in struct anyvalue access (#5844)
don't set fast_explode if null values in list (#5838)
duration formatting (#5837)
respect fetch in union (#5836)
keep f32 dtype in fill_null by int (#5834)
fix(python): fix delta issues (#5802)
err on epoch on time dtype (#5831)
fix panic in hmean (#5808)
asof join by logical groups (#5805)

🛠️ Other improvements

lazily import connectorx (#5835)

Thank you to all our contributors for making this release possible! @chitralverma, @ghuls and @ritchie46