pola-rs polars issues - Githubissues

pola-rs / polars

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

https://docs.pola.rs

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`dt.total_nanoseconds` and `dt.total_microseconds` may overflow silently

#16057 stinodego opened 41 minutes ago
0
refactor(python): Clean up hypothesis decimal strategy

#16056 stinodego closed 1 hour ago
1
fill_null doesn't support expr

#16055 eromoe opened 5 hours ago
2
docs(python): Explain how Polars floor division differs from Python

#16054 bertiewooster opened 5 hours ago
0
write_database() - Insert many rows with sql server using fast_executemany

#16053 gregory-kral-shell opened 6 hours ago
0
Excessive Memory Consumption During Rolling Operations on Large DataFrames

#16052 dguidara opened 7 hours ago
0
Use parquet statistics when collecting column statistics from scanned parquet

#16051 borchero opened 8 hours ago
0
fix(python): Fix Series constructor failure for Array types for large integers

#16050 stinodego closed 3 hours ago
1
fix: Fix casting decimal to decimal for high precision

#16049 stinodego opened 11 hours ago
2
fix: Fix printing max scale decimals

#16048 stinodego closed 12 hours ago
1
Casting float to Decimal fails silently

#16047 stinodego closed 11 hours ago
2
fix: Decimal supertype for dyn int

#16046 ritchie46 closed 14 hours ago
2
feat(python,rust): add date pattern `dd.mm.YYYY`

#16045 JulianCologne opened 20 hours ago
5
Can the separator of the read csv function support regular splitting?

#16044 Esword618 closed 13 hours ago
5
fix(python): Correctly handle large timedelta objects in Series constructor

#16043 stinodego closed 17 hours ago
1
Panic when constructing Series with dtype `Duration('ms')` with large `timedelta` objects

#16042 stinodego closed 17 hours ago
0
feat(python): split Expr.top_k and Expr.top_k_by into separate functions

#16041 MarcoGorelli closed 17 hours ago
1
exception thrown if converting chunked arrow Table with struct and dictionary columns to polar Dataframe

#16040 reductionnist opened 1 day ago
0
Cast from `pl.Date` to `pl.Datetime` silently returns incorrect value when new dtype cannot hold value

#16039 mcrumiller opened 1 day ago
2
`pl.Datetime` `time_zone` parameter has no type or value check

#16038 mcrumiller opened 1 day ago
1
Split out `Expr.top_k` from `Expr.top_k_by`

#16037 MarcoGorelli closed 17 hours ago
0
feat: Support non-coalescing joins in default engine

#16036 ritchie46 closed 1 day ago
2
Multipling a Decimal by Int returns Int type

#16035 philippspengler closed 14 hours ago
2
feat: Move diagonal & horizontal concat schema resolving to IR phase

#16034 ritchie46 closed 1 day ago
1
Cannot create Array column containing large u64 value

#16033 stinodego closed 3 hours ago
0
fix(rust): Do not set sorted flag on lexical sorting

#16032 c-peters closed 17 hours ago
0
fix(python): Do not close connection just because we're not returning Arrow data in batches

#16031 alexander-beedie closed 1 day ago
1
feat(python): Minor DB type inference updates

#16030 alexander-beedie closed 1 day ago
1
Polars assumes microseconds instead of reading numpy timedelta units

#16029 hixan opened 2 days ago
0
Importing pyarrow after polars causes `SIGSEGV`

#16028 cgbur opened 2 days ago
4
Off-by-one error when casting to Decimal with set precision

#16027 stinodego opened 2 days ago
0
pl.format should be clear it will return null when one of the arguments is null

#16026 ericvdtoorn opened 2 days ago
0
converting pandas to Polars drops column if its name, when converted to string, matches another column's name

#16025 MarcoGorelli opened 2 days ago
0
exception thrown if converting arrow Table with struct and dictionary columns to polar dataframe

#16024 reductionnist closed 1 day ago
0
fix(python): raise error when pandas df's some index name duplicates some column name

#16023 piri-p closed 2 days ago
2
Getting `.columns` of LazyFrame created by `scan_parquet` is slow and uses a lot of memory

#16022 CangyuanLi opened 2 days ago
1
Plugins raise when passing `pl.lit(1)` without specifying dtype

#16021 MarcoGorelli opened 2 days ago
0
Mean of all-null groups is NaN when group_by is partitioned

#16020 fredrikmalmfors opened 2 days ago
0
Simple numerical calculation expressions on Int-columns can give incorrect results.

#16019 TobiasDummschat opened 2 days ago
0
fix(python): Convert date and datetime in literal construction

#16018 mcrumiller opened 2 days ago
3
refactor: Use UnionArgs for DSL side

#16017 ritchie46 closed 2 days ago
1
feat: Convert concat during IR conversion

#16016 ritchie46 closed 2 days ago
1
`.merge_sorted()` not working with `streaming=True`

#16015 cmdlineluser opened 2 days ago
1
truncate_ragged_lines is missing in python polars.read_csv_batched

#16014 VojtaStanek closed 2 days ago
1
fix: properly handle nulls in DictionaryArray::iter_typed

#16013 orlp closed 2 days ago
0
`dtype` ingored in `pl.lit` between date and datetime

#16012 gab23r opened 2 days ago
1
fix: Fix CSE case where upper plan has no projection

#16011 ritchie46 closed 2 days ago
1
When setting `low_memory=True` for `scan_csv`, if the input is large enough, the output is empty

#16010 schmelczer opened 3 days ago
0
feat: Improve dynamic supertypes

#16009 ritchie46 closed 3 days ago
0
refactor: Add some comments

#16008 ritchie46 closed 3 days ago
1