Struct BtrBlocksCompressor 

pub struct BtrBlocksCompressor {
    pub exclude_int_dict_encoding: bool,
}

The main compressor type implementing BtrBlocks-inspired compression.

This compressor applies adaptive compression schemes to arrays based on their data types and characteristics. It recursively compresses nested structures like structs and lists, and chooses optimal compression schemes for primitive types.

The compressor works by:

1. Canonicalizing input arrays to a standard representation
2. Analyzing data characteristics to choose optimal compression schemes
3. Recursively compressing nested structures
4. Applying type-specific compression for primitives, strings, and temporal data

Examples

use vortex_btrblocks::BtrBlocksCompressor;
use vortex_array::Array;

let compressor = BtrBlocksCompressor::default();
// let compressed = compressor.compress(&array)?;

Fields

exclude_int_dict_encoding: bool

Whether to exclude ints from dictionary encoding.

When true, integer arrays will not use dictionary compression schemes, which can be useful when the data has high cardinality or when dictionary overhead would exceed compression benefits.

Implementations

impl BtrBlocksCompressor

pub fn compress(&self, array: &dyn Array) -> VortexResult<ArrayRef>

Compresses an array using BtrBlocks-inspired compression.

First canonicalizes and compacts the array, then applies optimal compression schemes.

pub fn compress_canonical(&self, array: Canonical) -> VortexResult<ArrayRef>

Compresses a canonical array by dispatching to type-specific compressors.

Recursively compresses nested structures and applies optimal schemes for each data type.

Trait Implementations

impl Clone for BtrBlocksCompressor

fn clone(&self) -> BtrBlocksCompressor

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BtrBlocksCompressor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for BtrBlocksCompressor

fn default() -> BtrBlocksCompressor

Returns the “default value” for a type.