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Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars py-0.18.12

Polars: py-0.18.12 Release

Release date:
August 4, 2023
Previous version:
py-0.18.11 (released August 1, 2023)
Magnitude:
2,967 Diff Delta
Contributors:
12 total committers
Data confidence:
Commits:
42 impacting commits

42 Commits in this Release

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

feat(rust, python): Add `str.extract_groups` (#10179)
Authored August 4, 2023
feat(rust!,python): Extend `datetime` expression function with time zone/time unit parameters (#10235)
Authored August 3, 2023
perf(rust, python): fix O(n^2) in sorted check during append (#10241)
Authored August 2, 2023
feat(python): support bytecode translation to `map_dict` where the lookup key is an expression (#10265)
Authored August 3, 2023
fix(python): Fix interchange protocol allowing copy even when `allow_copy` was set to False (#10262)
Authored August 4, 2023
fix(rust, python): fix nan aggregation in groupby (#10287)
Authored August 4, 2023
fix(rust, python): fix cse profile (#10239)
Authored August 2, 2023
feat(rust): add extra build profiles (#10268)
Authored August 3, 2023
fix(rust, python): fix date/datetime parsing for short inputs with exact=False (#10231)
Authored August 2, 2023
feat(python): add "batch_size" to `scan_pyarrow_dataset` parameters (#10249)
Authored August 2, 2023
docs(python): make an explicit note in `read_parquet` and `scan_parquet` about hive-style partitioning (point to `scan_pyarrow_dataset` instead) (#10277)
Authored August 3, 2023
fix(rust, python): fix logical columns of streaming multi-column sort (#10250)
Authored August 2, 2023
feat(python): add entry point to the Consortium DataFrame API (#10244)
Authored August 3, 2023
fix(rust, python): don't panic in wildcard apply (#10240)
Authored August 2, 2023
depr(python,rust!): renaming `approx_unique` as `approx_n_unique` (#10290)
Authored August 4, 2023
fix(rust, python): fix sorted fast path in streaming groupby wrt nulls (#10289)
Authored August 4, 2023
depr(python): Rename first `qcut` parameter to `quantiles` (#10253)
Authored August 2, 2023
feat(python): raise `TypeError` for all LazyFrame comparison operators (#10275)
Authored August 4, 2023
fix(rust): check dtypes of single-column 'by' parameter in asof-join (#10284)
Authored August 4, 2023
fix(rust, python): fix empty streaming parquet file (#10252)
Authored August 2, 2023
fix(rust, python): clear window cache and run windows on proper runners (#10303)
Authored August 4, 2023
docs(rust): fix dead links in Rust documentation (#10251)
Authored August 2, 2023
fix(python): don't panic on cse if function hasn't implemented __eq__ (#10286)
Authored August 4, 2023
chore: Replace "question" issues with link to Stack Overflow (#10230)
Authored August 1, 2023
docs(python): add warning about parallel eval of `.then(..)` branches (#10229)
Authored August 1, 2023
docs(python): add note about pyarrow partitioning (#10297)
Authored August 4, 2023
docs(python): Use sphinx' `maximum_signature_line_length` (#10228)
Authored August 1, 2023
depr(python): Deprecate `avg` alias for `mean` (#10236)
Authored August 2, 2023
chore: Update CODEOWNERS (#10261)
Authored August 4, 2023
fix(rust): fix pyo3 link errors on macos (#10256)
Authored August 3, 2023
docs(rust): avoid outputting docs of dependencies (#10292)
Authored August 4, 2023
chore: Update dependabot config (#10222)
Authored August 1, 2023
chore(python): bump hypothesis from 6.80.0 to 6.82.0 in /py-polars/docs (#10220)
Authored August 1, 2023
chore(rust): Fix `make integration-tests` command (#10202)
Authored August 2, 2023
chore(python): Update Sphinx to 7.1.1 and bump related dependencies (#10221)
Authored August 1, 2023
chore(python): Fix typo in error message (#10281)
Authored August 3, 2023
fix(rust): correct agg_sum for ChunkedArray. (#10243)
Authored August 2, 2023
python polars 0.18.12 (#10304)
Authored August 4, 2023
chore(rust): Fix `make pre-commit` command (#10205)
Authored August 2, 2023
ci: Do not keep history in `gh-pages` branch (#10282)
Authored August 4, 2023

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Top Contributors in py-0.18.12

ritchie46
stinodego
alexander-beedie
cmdlineluser
orlp
MarcoGorelli
mcrumiller
0xbe7a
TLouf
dependabot-bot

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Release Notes Published

⚠️ Deprecations

  • renaming approx_unique as approx_n_unique (#10290)
  • Rename first qcut parameter to quantiles (#10253)
  • Deprecate avg alias for mean (#10236)

πŸš€ Performance improvements

  • fix O(n^2) in sorted check during append (#10241)

✨ Enhancements

  • Add str.extract_groups (#10179)
  • raise TypeError for all LazyFrame comparison operators (#10275)
  • support bytecode translation to map_dict where the lookup key is an expression (#10265)
  • add entry point to the Consortium DataFrame API (#10244)
  • Extend datetime expression function with time zone/time unit parameters (#10235)
  • add "batch_size" to scan_pyarrow_dataset parameters (#10249)

🐞 Bug fixes

  • clear window cache and run windows on proper runners (#10303)
  • fix sorted fast path in streaming groupby wrt nulls (#10289)
  • Fix interchange protocol allowing copy even when allow_copy was set to False (#10262)
  • fix nan aggregation in groupby (#10287)
  • don't panic on cse if function hasn't implemented __eq__ (#10286)
  • fix empty streaming parquet file (#10252)
  • fix logical columns of streaming multi-column sort (#10250)
  • fix date/datetime parsing for short inputs with exact=False (#10231)
  • don't panic in wildcard apply (#10240)
  • fix cse profile (#10239)

πŸ› οΈ Other improvements

  • Update CODEOWNERS (#10261)
  • add note about pyarrow partitioning (#10297)
  • Do not keep history in gh-pages branch (#10282)
  • make an explicit note in read_parquet and scan_parquet about hive-style partitioning (point to scan_pyarrow_dataset instead) (#10277)
  • Fix typo in error message (#10281)
  • Replace "question" issues with link to Stack Overflow (#10230)
  • Use sphinx' maximum_signature_line_length (#10228)
  • add warning about parallel eval of .then(..) branches (#10229)
  • Update Sphinx to 7.1.1 and bump related dependencies (#10221)
  • Update dependabot config (#10222)

Thank you to all our contributors for making this release possible! @0xbe7a, @MarcoGorelli, @TLouf, @alexander-beedie, @cmdlineluser, @dependabot, @dependabot[bot], @duvenagep, @mcrumiller, @orlp, @reswqa, @ritchie46 and @stinodego

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