Module polars_core::doc::changelog::v0_8[][src]

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Changelog v0.8

  • Upgrade to Arrow 2.0
  • Add quantile aggregation to ChunkedArray
  • Option to stop reading CSV after n rows.
  • Read parquet file in a single batch reducing reading time.
  • Faster kernel for zip_with and set_with operation
  • String utilities
    • Utf8Chunked::str_lengths method
    • Utf8Chunked::contains method
    • Utf8Chunked::replace method
    • Utf8Chunked::replace_all method
  • Temporal utilities
    • Utf8Chunked to dat32 / datetime
  • Lazy
    • fill_null expression
    • shift expression
    • Series aggregations
    • aggregations on DataFrame level
    • aggregate to largelist
    • a lot of bugs fixed in optimizers
    • UDF’s / closures in lazy dsl
    • DataFrame reverse operation