Module polars_core::doc::changelog::v0_9[−][src]

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Changelog v0.9

  • CSV Read IO
    • large performance increase
    • skip_rows
    • ignore parser errors
  • Overall performance increase by using aHash in favor of FNV.
  • Groupby floating point keys
  • DataFrame operations
    • drop_nulls
    • drop duplicate rows
  • Temporal handling
  • Lazy
    • a lot of bug fixes in the optimizer
    • start of optimizer framework
    • start of simplify expression optimizer
    • csv scan
    • various operations
  • Start of general Object type in ChunkedArray/DataFrames/Series