rust-polars-v0.21.1

pola-rs/polars

版本发布时间: 2022-06-06 20:08:54

pola-rs/polars最新发布版本:py-1.8.2(2024-09-25 04:10:38)

What's Changed

Remove crate num_cpus from polars by @dandxy89 in https://github.com/pola-rs/polars/pull/2890
temporarely pin crossbeam-epoch by @ritchie46 in https://github.com/pola-rs/polars/pull/2902
fix unique and drop by @ritchie46 in https://github.com/pola-rs/polars/pull/2908
fix explode of empty lists by @ritchie46 in https://github.com/pola-rs/polars/pull/2910
fix function input expansion by @ritchie46 in https://github.com/pola-rs/polars/pull/2913
fix compilation lazy + string by @ritchie46 in https://github.com/pola-rs/polars/pull/2914
respect dtype overwrite when schema is overwritten in lazy csv scanner by @ritchie46 in https://github.com/pola-rs/polars/pull/2915
deprecate to_ and string cache in lazy by @ritchie46 in https://github.com/pola-rs/polars/pull/2916
Refactor: move most temporal related code to polars-time. by @ritchie46 in https://github.com/pola-rs/polars/pull/2918
improve datetime inference by @ritchie46 in https://github.com/pola-rs/polars/pull/2923
rename distinct to unique by @ritchie46 in https://github.com/pola-rs/polars/pull/2926
fix some warning by @ritchie46 in https://github.com/pola-rs/polars/pull/2927
improve date/datetime inference by @ritchie46 in https://github.com/pola-rs/polars/pull/2925
fix fill_nan dtypes by @ritchie46 in https://github.com/pola-rs/polars/pull/2933
fix future calculation in groupby dynamic by @ritchie46 in https://github.com/pola-rs/polars/pull/2935
add tolerance to asof + by by @ritchie46 in https://github.com/pola-rs/polars/pull/2937
fix(scan_csv): handle empty csv file exception by @LuisCardosoOliveira in https://github.com/pola-rs/polars/pull/2934
handle Utf8Owned AnyValue for DataType by @cigrainger in https://github.com/pola-rs/polars/pull/2944
Fix argsort by @ritchie46 in https://github.com/pola-rs/polars/pull/2946
value_counts and unique_counts expression by @ritchie46 in https://github.com/pola-rs/polars/pull/2947
use schema in 'with_columns' to amortize lookups and fix bug in emptr… by @ritchie46 in https://github.com/pola-rs/polars/pull/2949
add native log and entropy expression by @ritchie46 in https://github.com/pola-rs/polars/pull/2952
csv parsing: skip whitespace on failed parse by @ritchie46 in https://github.com/pola-rs/polars/pull/2953
Literal in groupby context, arange and repeat by @ritchie46 in https://github.com/pola-rs/polars/pull/2958
Huge perf improvement of many expressions and ListChunked::from_iter perf by @ritchie46 in https://github.com/pola-rs/polars/pull/2962
update groups in count() agg and correctly update state by @ritchie46 in https://github.com/pola-rs/polars/pull/2963
add sign by @ritchie46 in https://github.com/pola-rs/polars/pull/2977
see kurtosis as aggregation by @ritchie46 in https://github.com/pola-rs/polars/pull/2993
fix groups state after apply by @ritchie46 in https://github.com/pola-rs/polars/pull/2992
Home directory support by @cjermain in https://github.com/pola-rs/polars/pull/2940
make sure that sort does not index empty list by @ritchie46 in https://github.com/pola-rs/polars/pull/2996
python: improve arithmetic consistency by @ritchie46 in https://github.com/pola-rs/polars/pull/3001
python: add apply on struct dtype by @ritchie46 in https://github.com/pola-rs/polars/pull/3003
fix null in non-fast-explode explode of numeric arrays by @ritchie46 in https://github.com/pola-rs/polars/pull/3006
also expand rename in filters by @ritchie46 in https://github.com/pola-rs/polars/pull/3008
fix when then with literal by @ritchie46 in https://github.com/pola-rs/polars/pull/3009
fix groups update to match exploded offsets by @ritchie46 in https://github.com/pola-rs/polars/pull/3010
add duration expression by @ritchie46 in https://github.com/pola-rs/polars/pull/3017
allow nested groupby in groupby_rolling by @ritchie46 in https://github.com/pola-rs/polars/pull/3018
Fix read_parquet with list having nested struct by @cjermain in https://github.com/pola-rs/polars/pull/2991
fix outer join schema by @ritchie46 in https://github.com/pola-rs/polars/pull/3021
lazy: fix drop all by @ritchie46 in https://github.com/pola-rs/polars/pull/3023
fix schemas of groupby rolling/dynamic by @ritchie46 in https://github.com/pola-rs/polars/pull/3028
fix div by zero by @ritchie46 in https://github.com/pola-rs/polars/pull/3031
fix incorrect match in agg_mean by @ritchie46 in https://github.com/pola-rs/polars/pull/3030
check alias in whole expr on opt by @ritchie46 in https://github.com/pola-rs/polars/pull/3032
align groups in binary when they not align by @ritchie46 in https://github.com/pola-rs/polars/pull/3033
only expand function inputs if wildcard expansion allows it by @ritchie46 in https://github.com/pola-rs/polars/pull/3039
fix when_then_chain containing nulls by @ritchie46 in https://github.com/pola-rs/polars/pull/3040
fixed typo in format_path docstring by @cnpryer in https://github.com/pola-rs/polars/pull/3045
fix when-then-chain by @ritchie46 in https://github.com/pola-rs/polars/pull/3048
throw error on empty keyed groupby by @ritchie46 in https://github.com/pola-rs/polars/pull/3049
compare expand_cols by variant not exact datatype by @ritchie46 in https://github.com/pola-rs/polars/pull/3050
dot: use apply instead of map by @ritchie46 in https://github.com/pola-rs/polars/pull/3051
check output length of all 'map' expressions by @ritchie46 in https://github.com/pola-rs/polars/pull/3052
error on invalid asof_join by input by @ritchie46 in https://github.com/pola-rs/polars/pull/3053
improve performance of asof_join by equal or more than 2 keys by @ritchie46 in https://github.com/pola-rs/polars/pull/3055
remove unneeded expensive assert by @ritchie46 in https://github.com/pola-rs/polars/pull/3069
improve boolean null comparsions consistency by @ritchie46 in https://github.com/pola-rs/polars/pull/3068
fix entropy by @ritchie46 in https://github.com/pola-rs/polars/pull/3070
fix explode empty lists by @ritchie46 in https://github.com/pola-rs/polars/pull/3083
Lazy: update schema in explode op by @ritchie46 in https://github.com/pola-rs/polars/pull/3084
CSV datetime inference 3x performance improvement by @ritchie46 in https://github.com/pola-rs/polars/pull/2950
[polars-sql] Adding SQL Context, SELECT and GROUP BY by @potter420 in https://github.com/pola-rs/polars/pull/3024
Default sample n param to 1 by @cnpryer in https://github.com/pola-rs/polars/pull/3090
Expose 'rechunk' param from "read_ipc" for consistency (default behaviour unchanged) by @alexander-beedie in https://github.com/pola-rs/polars/pull/3088
Add optional seeding for sampling by @cnpryer in https://github.com/pola-rs/polars/pull/3080
default to native strptime by @ritchie46 in https://github.com/pola-rs/polars/pull/3093
Raise error in sample() if n and frac are both passed by @cnpryer in https://github.com/pola-rs/polars/pull/3091
split up planner by @ritchie46 in https://github.com/pola-rs/polars/pull/3095
add test for #3097 by @ritchie46 in https://github.com/pola-rs/polars/pull/3098
Initial support for serde/pickling expressions. by @ritchie46 in https://github.com/pola-rs/polars/pull/3096
Adding nested struct support by fixing ArrayRef determination by @cjermain in https://github.com/pola-rs/polars/pull/3103
Enhanced columns param for DataFrame init, additionally allowing for inline type specification by @alexander-beedie in https://github.com/pola-rs/polars/pull/3100
Improve rolling agg by @ritchie46 in https://github.com/pola-rs/polars/pull/3101
add estimate_size methods by @ritchie46 in https://github.com/pola-rs/polars/pull/3110
fix and test estimated_size by @ritchie46 in https://github.com/pola-rs/polars/pull/3113
remove unused datafusion integration by @ritchie46 in https://github.com/pola-rs/polars/pull/3115
Nodejs writejson fix & avro read/write by @universalmind303 in https://github.com/pola-rs/polars/pull/3116
Parquet statistics: don't panic by @ritchie46 in https://github.com/pola-rs/polars/pull/3127
lazy: expand cols in filter by @ritchie46 in https://github.com/pola-rs/polars/pull/3128
melt extra arguments by @ritchie46 in https://github.com/pola-rs/polars/pull/3133
Lazy: Don't materialize whole table in JOIN followed by SLICE by @ritchie46 in https://github.com/pola-rs/polars/pull/3136
Pushdown SLICE to GROUPBY nodes by @ritchie46 in https://github.com/pola-rs/polars/pull/3138
Switch from unmaintained jemalloctor to maintained tikv-jemallocator. by @ghuls in https://github.com/pola-rs/polars/pull/3141
Polars vs Pivot: Round 3 🥊 ~2-25x improvement by @ritchie46 in https://github.com/pola-rs/polars/pull/3143
DataFrame::partition_by by @ritchie46 in https://github.com/pola-rs/polars/pull/3148
Add semi and anti joins. by @ritchie46 in https://github.com/pola-rs/polars/pull/3149
derive clone for lazy groupby by @elferherrera in https://github.com/pola-rs/polars/pull/3156
pushdown slice to sort nodes by @ritchie46 in https://github.com/pola-rs/polars/pull/3159
slice_pushdown projections by @ritchie46 in https://github.com/pola-rs/polars/pull/3160
lazy err on not found col by @ritchie46 in https://github.com/pola-rs/polars/pull/3169
improve inner join performance by @ritchie46 in https://github.com/pola-rs/polars/pull/3168
fix duration filters with different time units by @marcvanheerden in https://github.com/pola-rs/polars/pull/3179
fix overflow in agg_mean by @ritchie46 in https://github.com/pola-rs/polars/pull/3183
list eval expression by @ritchie46 in https://github.com/pola-rs/polars/pull/3185
Supporting Struct comparison and any/all API by @cjermain in https://github.com/pola-rs/polars/pull/3180
struct logical type arrow conversion by @ritchie46 in https://github.com/pola-rs/polars/pull/3193
make series comparissons fallible by @ritchie46 in https://github.com/pola-rs/polars/pull/3192
fix_pivot by @ritchie46 in https://github.com/pola-rs/polars/pull/3199
recursively convert arrow by @ritchie46 in https://github.com/pola-rs/polars/pull/3200
fix arr.eval type inference by @ritchie46 in https://github.com/pola-rs/polars/pull/3203
Improve Left join on chunked data by @ritchie46 in https://github.com/pola-rs/polars/pull/3177
polars-ops by @ritchie46 in https://github.com/pola-rs/polars/pull/3212
Fix tree traversal complexity by @ritchie46 in https://github.com/pola-rs/polars/pull/3213
Adding struct column tests by @ishmandoo in https://github.com/pola-rs/polars/pull/3209
struct: handle validity by @ritchie46 in https://github.com/pola-rs/polars/pull/3217
bug template bounce resolved bugs by @ritchie46 in https://github.com/pola-rs/polars/pull/3218
add duration minutes by @ritchie46 in https://github.com/pola-rs/polars/pull/3219
fix partition boundary by @ritchie46 in https://github.com/pola-rs/polars/pull/3223
Option to check column order when comparing polars dataframes by @physinet in https://github.com/pola-rs/polars/pull/3206
fix dispatch of quantile aggregations by @ritchie46 in https://github.com/pola-rs/polars/pull/3234
Improving array refs for to_list by @cjermain in https://github.com/pola-rs/polars/pull/3231
fix offsets in categorical merge by @ritchie46 in https://github.com/pola-rs/polars/pull/3242
Serialize/Deserialize LazyFrames/Logical plans by @ritchie46 in https://github.com/pola-rs/polars/pull/3244
setup serializable function + null_count expr by @ritchie46 in https://github.com/pola-rs/polars/pull/3247
improve ternary in groupby context by @ritchie46 in https://github.com/pola-rs/polars/pull/3248
fix skew autoexplode and add test by @marcvanheerden in https://github.com/pola-rs/polars/pull/3251
quantile agg; update grouptuples by @ritchie46 in https://github.com/pola-rs/polars/pull/3252
Only pass dtype to array, if not None: Fixes #3253 by @ghuls in https://github.com/pola-rs/polars/pull/3257
polars 0.21.0 by @ritchie46 in https://github.com/pola-rs/polars/pull/3258
do not write empty chunk to parquet by @ritchie46 in https://github.com/pola-rs/polars/pull/3259
Improve partitioned groupby by @ritchie46 in https://github.com/pola-rs/polars/pull/3263
improve sample_perf by @ritchie46 in https://github.com/pola-rs/polars/pull/3264
add iso strptime patterns by @ritchie46 in https://github.com/pola-rs/polars/pull/3265
add partial decompression in read_csv by @ritchie46 in https://github.com/pola-rs/polars/pull/3268
fix partitoned and error don't ignore errors by @ritchie46 in https://github.com/pola-rs/polars/pull/3273
fix row count for u64 idx by @ritchie46 in https://github.com/pola-rs/polars/pull/3285
Code coverage for Rust/Python by @cjermain in https://github.com/pola-rs/polars/pull/3278
Improve groupby states by @ritchie46 in https://github.com/pola-rs/polars/pull/3291
recursive list builder in rows by @ritchie46 in https://github.com/pola-rs/polars/pull/3293
Fix ipc_read_schema so Path() and filename which start with "~/" work. by @ghuls in https://github.com/pola-rs/polars/pull/3297

New Contributors

@LuisCardosoOliveira made their first contribution in https://github.com/pola-rs/polars/pull/2934
@keiv-fly made their first contribution in https://github.com/pola-rs/polars/pull/2930
@cigrainger made their first contribution in https://github.com/pola-rs/polars/pull/2944
@slonik-az made their first contribution in https://github.com/pola-rs/polars/pull/3124
@physinet made their first contribution in https://github.com/pola-rs/polars/pull/3215

Full Changelog*: https://github.com/pola-rs/polars/compare/rust-polars-v0.20.0...rust-polars-v0.21.

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