Variable length list type. Parameters ---------- inner The `DataType` of the values within each list. Examples ----

Data type representing a calendar date and time of day. Parameters ---------- time_unit : {'us', 'ns', 'ms'} Unit of time. D

Decimal 128-bit type with an optional precision and non-negative scale. Parameters ---------- precision Maximum number of di

Struct composite type. Parameters ---------- fields The fields that make up the struct. Can be either a sequence of Field

Boolean type.

A trait representing an immutable Arrow array. Arrow arrays are trait objects that are infallibly downcast to concrete types according to the [`Array:

Exception raised when Polars could not perform an underlying computation.

A column object backed by a Polars Series. Parameters ---------- column The Polars Series backing the column object. all

64-bit signed integer type.

A dataframe object backed by a Polars DataFrame. Parameters ---------- df The Polars DataFrame backing the dataframe object.

Base class for integer data types.

64-bit floating point type.

UTF-8 encoded string type.

32-bit signed integer type.

A categorical encoding of a set of strings. Parameters ---------- categories The categories used for this type; must be a :p

Data type for wrapping arbitrary Python objects.

A Series represents a single column in a Polars DataFrame. Parameters ---------- name : str, default None Name of the Series

Binary type.

Generic extension data type. When `UNKNOWN_EXTENSION_TYPE_BEHAVIOR` is set to `"load_as_extension"`, any non-registered extension type w

Definition of a single field within a `Struct` DataType. Parameters ---------- name The name of the field within its parent

A buffer object backed by a Polars Series consisting of a single chunk. Parameters ---------- data The Polars Series backing

8-bit signed integer type.

Exception raised when a module is installed but needs to be upgraded.

64-bit unsigned integer type.

Type representing DataType values that could not be determined statically.

Data type representing a calendar date. Notes ----- The underlying representation of this type is a 32-bit signed integer. The i

Hold the Arrow C Stream pycapsule. A class that exposes the Arrow C Stream interface via Arrow PyCapsules. This ensures that the consume

A wrapper around a [`DataFrame`] that can be converted to and from python with `pyo3`.

Data type representing the time of day. Notes ----- The underlying representation of this type is a 64-bit signed integer. The i

Two-dimensional data structure representing data as a table with rows and columns. Parameters ---------- data : dict, Sequence, ndar

32-bit unsigned integer type.

A test extension type defined in Python.

8-bit unsigned integer type.

Define a column for use with the `dataframes` strategy. .. warning:: This functionality is currently considered **unstable**. It may

Data type representing a time duration. Parameters ---------- time_unit : {'us', 'ns', 'ms'} Unit of time. Defaults to `'us'

32-bit floating point type.

128-bit signed integer type. .. warning:: This functionality is considered **unstable**. It is a work-in-progress feature an

Helper class that allows patching certain PolarsColumn properties.

16-bit unsigned integer type.

Introspect UDF bytecode and determine if we can rewrite as native expression.

Exception raised when a copy is required, but `allow_copy` is set to `False`.

16-bit signed integer type.

Group of data types.

Ordered mapping of column names to their data type. Parameters ---------- schema The schema definition given by column names

Class for representing an HTML tag.

Utility structure to write to a [`fmt::Formatter`] whilst escaping the output as a label name

16-bit floating point type. .. warning:: Regular computing platforms do not natively support `Float16` operations, and compute op

Wrapper that does not pickle the wrapped value. This wrapper will unpickle to contain a None. Useful for cached or sensitive values.

A fixed categorical encoding of a unique set of strings. Parameters ---------- categories The categories in the dataset; mus

128-bit unsigned integer type. .. warning:: This functionality is considered **unstable**. It is a work-in-progress feature and m

[`Buffer`] is a contiguous memory region that can be shared across thread boundaries. The easiest way to think about [`Buffer<T>`] is being equivalen

Exception raised when the same parameter occurs multiple times.

Fixed length list type. Parameters ---------- inner The `DataType` of the values within each array. shape The sh

Join operation

Data type representing null values.

Sort the table

Turn an abstract io::Write into an abstract tokio::io::AsyncWrite.

The set of the optimizations considered during query optimization. .. warning:: This functionality is considered **unstable**. It ma