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Issues: pola-rs/polars

Tracking issue for the new streaming engine
#20947 opened Jan 28, 2025 by coastalwhite
Open 57
Tracking issue for Polars Cloud
#21487 opened Feb 27, 2025 by ritchie46
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2,466 Open 8,283 Closed
2,466 Open 8,283 Closed
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Issues list

Polars 1.30.0 does not filter out nulls in hive-partitioned datasets bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#23005 opened May 29, 2025 by matthewbayer
2 tasks done
Large memory usage in scan_parquet+select pl.max A-io-partitioning Area: reading/writing (Hive) partitioned files A-optimizer Area: plan optimization bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#23003 opened May 29, 2025 by lmocsi
2 tasks done
2
Unity catalog - Unable to scan tables on Azure Databricks bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#23002 opened May 29, 2025 by boccileonardo
2 tasks done
@nameexhaustion
deltalake 1.0 release contains breaking changes
#22999 opened May 28, 2025 by vyasr
Optimize DataFrame(orient='row') Creation Speed enhancement New feature or an improvement of an existing feature
#22992 opened May 28, 2025 by WH-2099
TypeError is raised when passing a set to pl.Enum bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22991 opened May 28, 2025 by hirohira9119
2 tasks done
1
Expand ewm expressions enhancement New feature or an improvement of an existing feature
#22982 opened May 28, 2025 by kszlim
Add offset parameter for rolling expressions enhancement New feature or an improvement of an existing feature
#22980 opened May 28, 2025 by crossxwill
1
Partition filtering on Iceberg no longer working A-io-cloud Area: reading/writing to cloud storage A-optimizer Area: plan optimization accepted Ready for implementation P-high Priority: high regression Issue introduced by a new release
#22978 opened May 28, 2025 by nameexhaustion
@nameexhaustion
Panic on sinking of a concatenated lazyframe from a few thousand files accepted Ready for implementation bug Something isn't working P-medium Priority: medium python Related to Python Polars
#22977 opened May 27, 2025 by kszlim
2 tasks done
@orlp
5
Inconsistency on pl.len() for 1-column CSV with BOM and blank line (fast_count) A-io-csv Area: reading/writing CSV files accepted Ready for implementation bug Something isn't working P-low Priority: low python Related to Python Polars
#22975 opened May 27, 2025 by kdn36
2 tasks done
map_elements behaves differently within a group-by context accepted Ready for implementation bug Something isn't working P-high Priority: high
#22967 opened May 27, 2025 by orlp
when/then/otherwise expressions panic with Int128 casting regression in 0.47.x and above bug Something isn't working needs triage Awaiting prioritization by a maintainer rust Related to Rust Polars
#22963 opened May 27, 2025 by SamBroomy
2 tasks done
1
Slice not pushed into hive partition bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22958 opened May 26, 2025 by kszlim
2 tasks done
1
pl.all().filter() causes Rust panic in group_by bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22955 opened May 26, 2025 by jaschn
2 tasks done
3
Mention that trig functions use radians not degrees documentation Improvements or additions to documentation
#22950 opened May 26, 2025 by mdavis-xyz
1
6
PanicException when map_batches is combined with fill_null bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22948 opened May 26, 2025 by soerenwolfers
2 tasks done
map_elements().over() returns different shape depending on the partition_by argument of over bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22947 opened May 26, 2025 by soerenwolfers
2 tasks done
2
read_csv Column names containing double quotes (") are not handled correctly during parsing. bug Something isn't working P-medium Priority: medium python Related to Python Polars
#22943 opened May 26, 2025 by kartoria
2 tasks done
@ritchie46
4
Add pl.case_when() functionality enhancement New feature or an improvement of an existing feature
#22939 opened May 25, 2025 by jrycw
Memory pointer from external source (e.g, FFI) is not aligned for empty list[str] bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22935 opened May 25, 2025 by ion-elgreco
2 tasks done
4
C Data interface error: The datatype "Null" doesn't expect buffer at index 0 bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22934 opened May 25, 2025 by ion-elgreco
2 tasks done
2
Make polars schema ArrowSchemaExportable enhancement New feature or an improvement of an existing feature
#22933 opened May 25, 2025 by ion-elgreco
bug: incorrect results in SQL when using HAVING in GROUP BY A-sql Area: Polars SQL functionality bug Something isn't working P-high Priority: high python Related to Python Polars
#22926 opened May 24, 2025 by MarcoGorelli
2 tasks done
2
replace on a struct with 1 field replaces the inner value bug Something isn't working needs triage Awaiting prioritization by a maintainer python Related to Python Polars
#22925 opened May 24, 2025 by cmdlineluser
2 tasks done
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