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pola-rs/polars

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

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Polars rs-0.18.0

Polars: rs-0.18.0 Release

Release date:

November 28, 2021

Previous version:

rs-0.17.0 (released October 31, 2021)

Magnitude:

20,415 Diff Delta

Contributors:

17 total committers

Data confidence:

Commits:

213

213 Commits in this Release

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

refactor series tests

Authored November 27, 2021

Proposal: Enable mypy on tests (#1798)

Authored November 17, 2021

[Experimental] Create extension type in arrow that can hold any in-memory data type (#1843)

Authored November 23, 2021

Add tests and fix type annotations (#1860)

Authored November 22, 2021

add ipc scan

Authored November 12, 2021

improve equality checks & column generation of transpose

Authored November 23, 2021

update arrow

Authored November 16, 2021

Add expression tests (#1894)

Authored November 26, 2021

improve comparissons (#1717)

Authored November 9, 2021

lazy: sort_by multiple expressions

Authored November 17, 2021

more has-validity instead of null_count

Authored November 3, 2021

improve and extend UnstableSeries

Authored November 25, 2021

python date/datetime function and use expressions in fold operation lamdba (#1719)

Authored November 9, 2021

Add tests series (#1783)

Authored November 16, 2021

add dt.buckets (#1859)

Authored November 22, 2021

rewrite null_count() == 0

Authored November 3, 2021

lazy: binary expression can combine different aggregation states in groupby context (#1875)

Authored November 24, 2021

add diagonal concat utility

Authored November 5, 2021

fix invalid dtype when taking from empty list

Authored November 19, 2021

Series/Expr::reshape

Authored November 25, 2021

Attempt to make dtype conversions more centralized (#1792)

Authored November 17, 2021

fix lazy schema names and proper test them

Authored October 31, 2021

Rust documentation: new examples for DataFrame methods (#1749)

Authored November 13, 2021

fix consistency and ergonomics of take expression

Authored November 10, 2021

remove layer of indirection in logical plan strings

Authored November 3, 2021

feat(): Add trigonometry functions (#1631)

Authored November 1, 2021

Support with_projection and with_columns in ipc and parquet reader in eager mode (#1751)

Authored November 13, 2021

add callback to lazy csv scanner so that column names can be modified

Authored November 26, 2021

Add additional tests (#1900)

Authored November 26, 2021

Python: activate extension

Authored November 24, 2021

Proposal: Remove date_like_to_physical

Authored November 26, 2021

[Rust] Rename `ChunkCompare::eq` to `ChunkCompare::equal` (#1826)

Authored November 19, 2021

fix list builders for logical types

Authored October 31, 2021

support list dtype in groupby aggregations

Authored November 18, 2021

lazy upper/lower bound exprs; python: fix horizontal max/ min exprs

Authored November 13, 2021

make partitioned groupby work on nested lists

Authored November 18, 2021

make sure that multiple key join is done on physical typed keys

Authored November 7, 2021

throw error when scanning compressed csv

Authored November 18, 2021

Add missing assert statements to Python tests (#1695)

Authored November 7, 2021

Fix ternary and execute on threadpool

Authored November 25, 2021

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Top Contributors in rs-0.18.0

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