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pola-rs
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polars
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
https://docs.pola.rs
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WebAssembly + NPM
#83
ritchie46
opened
3 years ago
54
RFC: polars 1.0
#6616
ritchie46
closed
7 months ago
45
Groupby on integer + date column of large dataframe requests enormous memory alloc [Windows only]
#1562
CHDev93
closed
2 years ago
43
"Unable to parse time zone" when reading a specific Parquet file (Parquet doesn't store time zones)
#9586
sm-Fifteen
closed
10 months ago
42
Configure handling of null values in aggregations
#10016
stinodego
opened
10 months ago
41
chore(rust,python): Create .devcontainer
#9697
tschm
closed
8 months ago
39
Redesign `cut` and `qcut`
#10468
lorentzenchr
opened
9 months ago
36
Support `ORDER BY` in conjunction with `over` method
#8662
CameronBieganek
opened
1 year ago
34
Reading nested struct panics with `OutOfSpec` error
#3942
andrei-ionescu
closed
1 year ago
34
feat!: Change behavior of `all` - fix Kleene logic implementation for `all`/`any`
#10564
stinodego
closed
9 months ago
33
Rationalize with_column & with_columns
#6117
zundertj
closed
1 year ago
33
refactor[python]: Dispatch Series namespace methods to Expr using a decorator
#4423
stinodego
closed
1 year ago
33
Failed join #2
#2498
LiterallyUniqueLogin
closed
2 years ago
32
test(python): Parametric test coverage for EWM functions
#5011
alexander-beedie
closed
1 year ago
31
Additional lints for the Python code base
#4044
stinodego
closed
1 year ago
31
Deadlock when running complex query
#14939
kszlim
opened
2 months ago
30
Partition_by should returns tuples as keys when partitioning on a list of a single column, like group_by does
#13371
CaselIT
closed
4 months ago
30
Add `pl.row_num()` as syntactic sugar for `pl.int_range(0, pl.count())`
#12420
mcrumiller
closed
4 months ago
30
Add `.cast` as DataFrame method
#9959
ion-elgreco
closed
9 months ago
30
More that one character as separator for CSV reader
#2728
elferherrera
closed
2 years ago
30
Support HDF5 reading/writing (with optional dependencies)
#3520
ritchie46
opened
1 year ago
29
Make selectors available under `pl.cols`
#13757
stinodego
opened
4 months ago
28
Expose Python interface for other rust applications
#1325
jg2562
closed
1 year ago
28
fix(rust, python): return appropriate dtypes for temporal `mean` and `median`
#12902
mcrumiller
closed
4 months ago
27
Improve and expand Expr.rolling()
#12049
orlp
opened
6 months ago
27
Segfault when importing polars in an amd64 docker image running on Mac M1 through virtualization
#5401
CalOmnie
closed
1 year ago
27
dt.truncate is slow
#13157
stas-sl
closed
4 months ago
26
Issue with nested expressions
#8646
chitralverma
closed
8 months ago
26
write_database is Significantly slower than .to_pandas().to_sql()
#7852
gilnribeiro
opened
1 year ago
26
shift_and_fill by groups + other operations by grouping variables
#1124
AdrianAntico
closed
2 years ago
26
Enable retries on connection reset by peer when doing scan_parquet against an object store
#14384
kszlim
closed
1 month ago
25
Performance degradation in scan_parquet() vs. scan_pyarrow_dataset()
#13908
lmocsi
closed
3 months ago
25
Memory allocation of 100016100016100016100016 bytes failed
#7774
financialclose
closed
6 months ago
25
Add syntax sugar over `pl.col()` using symbol parsing
#7398
hyiltiz
closed
8 months ago
25
RFC: Additional SQL functions
#7227
universalmind303
opened
1 year ago
25
python polars 0.14.11
#4848
ritchie46
closed
1 year ago
25
write_parquet function in polars-u64-idx does not support large data frames
#3120
jnthnhss
closed
1 year ago
25
Add optional lexical ordering of dtype `Categorical`
#2562
mutecamel
closed
2 years ago
25
`POLARS_MAX_THREADS` doesn't work expectly.
#15452
baiguoname
closed
1 month ago
24
Intermittent out-of-memory performing join after 0.20.6 update
#14201
david-waterworth
closed
3 months ago
24
400x difference in computation speed due to missing CSE optimization opportunity
#14097
kszlim
closed
3 months ago
24
Deprecate `DataFrame.insert_at_idx`
#10528
MarcoGorelli
closed
6 months ago
24
Multithreaded write_csv()
#3004
momentlost
closed
1 year ago
24
Partition aware parquet scanning
#426
wseaton
closed
8 months ago
24
Suggestion to update the UDF documentation
#12912
Chuck321123
opened
5 months ago
23
datetime '2017-04-02 02:00:00' is ambiguous in time zone 'Australia/Sydney'.
#9491
david-waterworth
closed
10 months ago
23
feat(rust, python): impl hex and base64 for binary
#5892
ozgrakkurt
closed
1 year ago
23
fix(python): fix delta issues
#5802
chitralverma
closed
1 year ago
23
Support merge operation for Delta tables
#11983
edgBR
closed
5 months ago
22
Window closed-ness defaults are inconsistent for temporal rolling functions
#9193
MarcoGorelli
closed
7 months ago
22
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