Crate vortex_dtype

A type system for Vortex

This crate contains the core logical type system for Vortex, including the definition of data types, and (optionally) logic for their serialization and deserialization.

Re-exports

pub use half;

Modules

flatbuffers

Flatbuffer representations for DTypes

Macros

match_each_float_ptype

Macro to match over each floating point type, binding the corresponding native type (from NativePType)

match_each_integer_ptype

Macro to match over each integer PType, binding the corresponding native type (from NativePType)

match_each_native_ptype

Macro to match over each PType, binding the corresponding native type (from NativePType)

match_each_unsigned_integer_ptype

Macro to match over each unsigned integer type, binding the corresponding native type (from NativePType)

Structs

ExtDType

A type descriptor for an extension type

ExtID

A unique identifier for an extension type

ExtMetadata

Opaque metadata for an extension type

FieldDType

DType of a struct’s field, either owned or a pointer to an underlying flatbuffer.

FieldInfo

Information about a field in a struct dtype

FieldPath

A path through a (possibly nested) struct, composed of a sequence of field selectors

StructDType

A struct dtype is a list of names and corresponding dtypes

Enums

DType

The logical types of elements in Vortex arrays.

Field

A selector for a field in a struct

FieldMask

Represents a field mask, which is a projection of fields under a layout.

Nullability

Whether an instance of a DType can be `null or not

PType

Physical type enum, represents the in-memory physical layout but might represent a different logical type.

Traits

NativePType

A trait for native Rust types that correspond 1:1 to a PType

ToBytes

A trait for types that can be converted to a little-endian byte slice

TryFromBytes

A trait for types that can be converted from a little-endian byte slice

Type Aliases

FieldName

A name for a field in a struct

FieldNames

An ordered list of field names in a struct