Crate arrow2

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Re-exports

pub use alloc::total_allocated_bytes;

Modules

alloc

Defines memory-related functions, such as allocate/deallocate/reallocate memory regions, cache and allocation alignments.

array

fixed-length and immutable containers with optional values that are layed in memory according to the Arrow specification. Each array type has its own struct. The following are the main array types:

bitmap

Contains efficient containers of booleans: Bitmap and MutableBitmap. The memory backing these containers is cache-aligned and optimized for both vertical and horizontal operations over booleans.

buffer

Contains containers for all Arrow sized types (e.g. i32), Buffer and MutableBuffer.

datatypes

Metadata declarations such as DataType, Field and Schema.

error

Defines ArrowError, representing all errors returned by this crate.

ffi

Contains interfaces to use the C Data Interface.

io

Interact with different formats such as Arrow, CSV, parquet, etc.

record_batch

A two-dimensional batch of column-oriented data with a defined schema.

scalar

Declares the Scalar API, an optional, trait object representing the zero-dimension of an crate::array::Array.

temporal_conversions

Conversion methods for dates and times.

trusted_len

Declares TrustedLen.

types

traits to handle all physical types used in this crate. Most physical types used in this crate are native Rust types, like i32. The most important trait is NativeType, implemented for all Arrow types with a Rust correspondence (such as i32 or f64).

util

Misc utilities used in different places in the crate.