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avhz / RustQuant

Rust library for quantitative finance.
https://avhz.github.io
Apache License 2.0
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build(deps): update polars requirement from 0.38.1 to 0.39.0 #213

Closed dependabot[bot] closed 5 months ago

dependabot[bot] commented 5 months ago

Updates the requirements on polars to permit the latest version.

Release notes

Sourced from polars's releases.

Rust Polars 0.39.0

🏆 Highlights

💥 Breaking changes

  • rename memmap -> memory_map as like Python (#15642)
  • pref(rust!, python): Unify sort with SortOptions and SortMultipleOptions (#15590)
  • Update the argument name from dims to dimensions in reshape (#15561)
  • Allow specifying Hive schema in read/scan_parquet (#15434)
  • Raise error when schema_overrides contains nonexistent column name (#15290)
  • Rename Chunk to RecordBatch (#15298)
  • Refactor AnyValue supertype logic (#15280)
  • Rename group_by_rolling to rolling and improve related error messages (#14765)
  • Rename ChunkedArray.try_apply to try_apply_values (#14947)
  • Rename parameter by to group_by in DataFrame.upsample/group_by_dynamic/rolling (#14840)

🚀 Performance improvements

  • Fix cross join batch size when one of the DataFrames is tiny (#14347)
  • Fix binview growable complexity O(n*m) -> O(n) (#15628)
  • Remove extra thread spawn from row group fetcher (#15626)
  • Use vertical parallelism if input is chunked for Filter,Select,WithColumns (#15608)
  • read_ipc memory usage tests, and writing fix (#15599)
  • Refactor CSV serialization to not go thorough AnyValue (#15576)
  • don't use dynamic dispatch in visitors (#15607)
  • Improve Bitmap construction performance (#15570)
  • join by row-encoding (#15559)
  • Replace std::thread spawn with tokio block_in_place (#15517)
  • speed up offset_by when a single offset is passed (#15493)
  • Avoid allocation in the hot path for struct JSON serialization (#15449)
  • avoid double-allocation in rolling_apply_agg_window (#15423)
  • Make LogicalPlan immutable (#15416)
  • Add non-order preserving variable row-encoding (#15414)
  • Use row-encoding for multiple key group by (#15392)
  • load bits one word at a time for BitmapIter (#15333)
  • Ipc exec multiple paths (#15040)
  • add SIMD support for if-then-else kernels (#15131)

✨ Enhancements

  • add Expr.dt.add_business_days and Series.dt.add_business_days (#15595)
  • Add str.head and str.tail (#14425)
  • Extended BytecodeParser to handle additional math functions, and imports from the global namespace (#15627)
  • Push down is_between expressions to Arrow (#15180)
  • add holidays argument to business_day_count (#15580)
  • change default to write parquet statistics (#15597)
  • Expressify to_integer (#15604)
  • Optimizer; remove double SORT and redundant projections (#15573)

... (truncated)

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dependabot[bot] commented 5 months ago

Superseded by #214.