Module polars_core::utils

Re-exports

pub use arrow;

pub use chrono;

pub use num_cpus;

pub use rayon;

Structs

Arenaprivate

NoNull

Just a wrapper structure. Useful for certain impl specializations This is for instance use to implement impl<T> FromIterator<T::Native> for NoNull<ChunkedArray<T>> as Option<T::Native> was already implemented: impl<T> FromIterator<Option<T::Native>> for ChunkedArray<T>

Node

TrustMyLength

Wrap

Traits

CustomIterTools

CustomIterToolsSized

FromTrustedLenIterator

IntoVec

Functions

accumulate_dataframes_horizontal

accumulate_dataframes_vertical

This takes ownership of the DataFrame so that drop is called earlier.

combine_validities

concat_df

Concat the DataFrames to a single DataFrame.

get_supertypeprivate

Given two datatypes, determine the supertype that both types can safely be cast to

parallel_op_seriesprivate

Simple wrapper to parallelize functions that can be divided over threads aggregated and finally aggregated in the main thread. This can be done for sum, min, max, etc.

slice_offsetsprivate

split_caprivate

split_dfprivate

split_seriesprivate