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Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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Polars py-0.16.13

Polars: py-0.16.13 Release

Release date:
March 13, 2023
Previous version:
py-0.16.12 (released March 10, 2023)
Magnitude:
2,698 Diff Delta
Contributors:
6 total committers
Data confidence:
Commits:
21 impacting commits

21 Commits in this Release

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

docs(python): Use new `LazyFrame` init in docs (#7508)
Authored March 12, 2023
fix(rust, python) respect time zone in date_range (#7503)
Authored March 13, 2023
refactor(rust): refactor join pushdown (#7486)
Authored March 11, 2023
perf(rust, python): [csv] SIMD accelerate SplitFields `-40%` (#7498)
Authored March 12, 2023
refactor(rust): refactor date parsing (#7517)
Authored March 13, 2023
fix(rust, python): fix projection pushdown of asof_joins (#7487)
Authored March 11, 2023
perf(rust, python): use atoi in favor of lexical in strptime `-25%` (#7501)
Authored March 12, 2023
Revert "fix(rust, python): allow for hourly date_range to cross DST" (#7497)
Authored March 12, 2023
fix(python): transparently integrate externally-registered Excel formats (#7520)
Authored March 13, 2023
chore(python): Bump some linting versions (#7505)
Authored March 12, 2023
chore(python): update `show_versions` with xlsxwriter (and add as optional dependency) (#7507)
Authored March 12, 2023
fix(rust, python): use physical types in sort-by args (#7518)
Authored March 13, 2023
feat(python): literal support for binary (#7519)
Authored March 13, 2023
fix(python): keep series name in arithmetic (#7513)
Authored March 13, 2023
fix(python): Initialize with `Decimal` dtype (#7511)
Authored March 12, 2023
doc: Add strings filter example. (#7474) (#7510)
Authored March 13, 2023
perf(rust, python): (csv) don't use memchr for splitfields `-~0.15%` (#7494)
Authored March 11, 2023
perf(rust, python): [csv] faster utf8 validation `~20%` (#7500)
Authored March 12, 2023
perf(rust, python): csv-file use fast-float for csv float parsing (#7492)
Authored March 11, 2023
python polars 0.16.13 (#7523)
Authored March 13, 2023
python polars 0.16.13 (#7504)
Authored March 13, 2023

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Top Contributors in py-0.16.13

ritchie46
stinodego
MarcoGorelli
alexander-beedie
CloseChoice
ecashin

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Release Notes Published

πŸš€ Performance improvements

  • use atoi in favor of lexical in strptime -25% (#7501)
  • [csv] faster utf8 validation ~20% (#7500)
  • [csv] SIMD accelerate SplitFields -40% (#7498)
  • (csv) don't use memchr for splitfields -~0.15% (#7494)
  • csv-file use fast-float for csv float parsing (#7492)

✨ Enhancements

  • literal support for binary (#7519)

🐞 Bug fixes

  • fix(rust, python) respect time zone in date_range (#7503)
  • transparently integrate externally-registered Excel formats (#7520)
  • use physical types in sort-by args (#7518)
  • keep series name in arithmetic (#7513)
  • Initialize with Decimal dtype (#7511)
  • fix projection pushdown of asof_joins (#7487)

πŸ› οΈ Other improvements

  • update show_versions with xlsxwriter (and add as optional dependency) (#7507)
  • Use new LazyFrame init in docs (#7508)
  • Bump some linting versions (#7505)

Thank you to all our contributors for making this release possible! @CloseChoice, @MarcoGorelli, @alexander-beedie, @ecashin, @ritchie46 and @stinodego

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