polars_arrow

Module datatypes

Source
Expand description

Contains all metadata, such as PhysicalType, ArrowDataType, Field and ArrowSchema.

Re-exports§

pub use crate::types::PrimitiveType;

Modules§

reshape

Structs§

ExtensionType
Field
Represents Arrow’s metadata of a “column”.
UnionType

Enums§

ArrowDataType
The set of supported logical types in this crate.
IntegerType
the set of valid indices types of a dictionary-encoded Array. Each type corresponds to a variant of crate::array::DictionaryArray.
IntervalUnit
Interval units defined in Arrow
PhysicalType
The set of physical types: unique in-memory representations of an Arrow array.
TimeUnit
The time units defined in Arrow.
UnionMode
Mode of ArrowDataType::Union

Statics§

DTYPE_CATEGORICAL
DTYPE_ENUM_VALUES

Functions§

get_extension
support get extension for metadata

Type Aliases§

ArrowSchema
An ordered sequence of Fields
ArrowSchemaRef
IdxArr
Metadata
typedef for BTreeMap<PlSmallStr, PlSmallStr> denoting Field’s and ArrowSchema’s metadata.
SchemaRef
typedef for Arc<ArrowSchema>.