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Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars rs-0.21.1

Polars: rs-0.21.1 Release

Release date:
May 4, 2022
Previous version:
rs-0.20.0 (released March 14, 2022)
Magnitude:
29,176 Diff Delta
Contributors:
19 total committers
Data confidence:
Commits:
207 impacting commits

207 Commits in this Release

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

Improve Left join on chunked data (#3177)
Authored April 21, 2022
improve expressions and ListChunked::from_iter perf (#2962)
Authored March 24, 2022
NodeJS updates (#3105)
Authored April 11, 2022
Improve groupby states (#3291)
Authored May 3, 2022
Refactor: move most temporal related code to `polars-time`. (#2918)
Authored March 16, 2022
Polars vs Pivot: Round 3 πŸ₯Š `~2-25x` improvement (#3143)
Authored April 15, 2022
Add `semi` and `anti` joins. (#3149)
Authored April 15, 2022
polars-ops (#3212)
Authored April 22, 2022
Enhanced columns param for DataFrame init, additionally allowing for inline type specification (#3100)
Authored April 11, 2022
improve datetime inference (#2923)
Authored March 17, 2022
improve rolling_agg (#3101)
Authored April 11, 2022
Improve partitioned groupby (#3263)
Authored April 30, 2022
Literal in groupby context, arange and repeat (#2958)
Authored March 24, 2022
Preserve inherited DataFrame sub-classes on `groupby` operations (#2897)
Authored March 15, 2022
melt extra arguments (#3133)
Authored April 13, 2022
Make deprecation warnings into actual DepreationWarning + fix warnings in test suite (#3158)
Authored April 16, 2022
[polars-sql] Adding SQL Context, SELECT and GROUP BY (#3024)
Authored April 7, 2022
setup serializable function + null_count expr (#3247)
Authored April 28, 2022
CSV datetime inference 3x performance improvement (#2950)
Authored April 7, 2022
Pushdown SLICE to GROUPBY nodes (#3138)
Authored April 13, 2022
Lazy: Don't materialize whole table in JOIN followed by SLICE (#3136)
Authored April 13, 2022
Serialize/Deserialize LazyFrames/Logical plans (#3244)
Authored April 27, 2022
python all anyvalue to python conversion return python types (#3194)
Authored April 20, 2022
fix explode empty lists (#3083)
Authored April 7, 2022
add native log and entropy expression (#2952)
Authored March 23, 2022
Nodejs updates (#2895)
Authored March 15, 2022
add duration expression (#3017)
Authored March 31, 2022
list eval expression (#3185)
Authored April 19, 2022
update arrow (#3181)
Authored April 26, 2022
add unique_counts
Authored March 22, 2022
improve performance of asof_join by > 2 keys (#3055)
Authored April 3, 2022
python: improve arithmetic consistency (#3001)
Authored March 29, 2022
use dict instead of namedtuple in apply struct (#3007)
Authored March 30, 2022
split up planner (#3095)
Authored April 9, 2022
Add optional seeding for sampling (#3080)
Authored April 8, 2022
fix_pivot (#3199)
Authored April 20, 2022
deprecate to_<file> and string cache in lazy (#2916)
Authored March 16, 2022
Initial support for serde/pickling expressions. (#3096)
Authored April 10, 2022
python: add apply on struct dtype (#3003)
Authored March 29, 2022
improve inner join performance (#3168)
Authored April 17, 2022

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Top Contributors in rs-0.21.1

ritchie46
universalmind303
cjermain
alexander-beedie
zundertj
JakobGM
potter420
cnpryer
moritzwilksch
ghuls

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