Module prelude

Everything you need to get started with Polars.

Re-exports

pub use crate::chunked_array::ChunkedArray;

pub use crate::chunked_array::arithmetic::ArithmeticChunked;

pub use crate::chunked_array::builder::BinaryChunkedBuilder;

pub use crate::chunked_array::builder::BooleanChunkedBuilder;

pub use crate::chunked_array::builder::ChunkedBuilder;

pub use crate::chunked_array::builder::ListBinaryChunkedBuilder;

pub use crate::chunked_array::builder::ListBooleanChunkedBuilder;

pub use crate::chunked_array::builder::ListBuilderTrait;

pub use crate::chunked_array::builder::ListPrimitiveChunkedBuilder;

pub use crate::chunked_array::builder::ListStringChunkedBuilder;

pub use crate::chunked_array::builder::NewChunkedArray;

pub use crate::chunked_array::builder::PrimitiveChunkedBuilder;

pub use crate::chunked_array::builder::StringChunkedBuilder;

pub use crate::chunked_array::collect::ChunkedCollectInferIterExt;

pub use crate::chunked_array::collect::ChunkedCollectIterExt;

pub use crate::chunked_array::iterator::PolarsIterator;

pub use crate::frame::column::Column;

pub use crate::frame::column::IntoColumn;

pub use crate::frame::explode::UnpivotArgsIR;

pub use crate::frame::DataFrame;

pub use crate::frame::UniqueKeepStrategy;

pub use crate::hashing::VecHash;

pub use crate::scalar::Scalar;

pub use crate::series::arithmetic::LhsNumOps;

pub use crate::series::arithmetic::NumOpsDispatch;

pub use crate::series::IntoSeries;

pub use crate::series::Series;

pub use crate::series::SeriesTrait;

pub use crate::utils::IntoVec;

pub use crate::datatypes;

pub use crate::chunked_array::ops::*;

pub use crate::chunked_array::temporal::conversion::*;

pub use crate::datatypes::*;

pub use crate::frame::group_by::*;

pub use crate::schema::*;

Modules

default_arrays

list

null

slice

utf8

Macros

df

polars_bail

polars_ensure

polars_err

polars_warn

with_match_categorical_physical_type

Structs

Arc

A thread-safe reference-counting pointer. ‘Arc’ stands for ‘Atomically Reference Counted’.

ArrowField

Represents Arrow’s metadata of a “column”.

ChunkId

NullChunked

NullableIdxSize

PlSmallStr

String type that inlines small strings.

RollingVarParams

Enums

Ambiguous

NonExistent

PolarsError

QuantileMethod

RollingFnParams

Traits

ArrayCollectIterExt

CategoricalPhysicalDtypeExt

ChunkAggSeries

Aggregations that return Series of unit length. Those can be used in broadcasting operations.

FromData

FromDataBinary

FromDataUtf8

IndexToUsize

InitHashMaps

ListFromIter

NamedFrom

NamedFromOwned

QuantileAggSeries

SeedableFromU64SeedExt

SlicedArray

Utility trait to slice concrete arrow arrays whilst keeping their concrete type. E.g. don’t return Box<dyn Array>.

VarAggSeries

Functions

convert_inner_type

Cast null arrays to inner type and ensure that all offsets remain correct

indexes_to_usizes

try_raise_keyboard_interrupt

Checks if the keyboard interrupt flag is set, and if yes panics as a keyboard interrupt. This function is very cheap.

Type Aliases

ArrayRef

ArrowSchema

An ordered sequence of Fields

Categorical8Chunked

Categorical16Chunked

Categorical32Chunked

CategoricalChunked

IdxArr

IdxSize

LargeBinaryArray

LargeListArray

LargeStringArray

PlFixedStateQuality

PlHashMap

PlHashSet

PlIndexMap

PlIndexSet

PlRandomState

PlRandomStateQuality

PlSeedableRandomStateQuality

PolarsResult