Struct CompressedVectorStore 

pub struct CompressedVectorStore {
    pub quantizer: ProductQuantizer,
    pub codes: HashMap<u32, Vec<u8>>,
}

Compressed vector storage for PQ-encoded vectors

Fields

quantizer: ProductQuantizer

The trained quantizer

codes: HashMap<u32, Vec<u8>>

Encoded vectors: vector_id -> PQ codes

Implementations

impl CompressedVectorStore

pub fn new(quantizer: ProductQuantizer) -> Self

Create a new compressed vector store

pub fn train_and_create( config: PQConfig, training_vectors: &[Vec<f32>], ) -> Result<Self>

Train quantizer and create store from training vectors

pub fn add(&mut self, vector_id: u32, vector: &[f32]) -> Result<()>

Add a vector to the store

pub fn get_codes(&self, vector_id: u32) -> Option<&Vec<u8>>

Get PQ codes for a vector

pub fn decode(&self, vector_id: u32) -> Result<Vec<f32>>

Decode a vector back to approximate floats

pub fn search(&self, query: &[f32], k: usize) -> Result<Vec<(u32, f32)>>

Search for k nearest neighbors using PQ distance

pub fn len(&self) -> usize

Number of vectors in store

pub fn is_empty(&self) -> bool

Check if store is empty

pub fn storage_bytes(&self) -> usize

Total compressed storage size in bytes

Trait Implementations

impl Clone for CompressedVectorStore

fn clone(&self) -> CompressedVectorStore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CompressedVectorStore

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CompressedVectorStore

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CompressedVectorStore

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.