Struct IndexMetadata 

pub struct IndexMetadata {
    pub dimension: usize,
    pub distance_metric: DistanceMetric,
    pub entry_point: Option<EntityId>,
    pub max_layer: usize,
    pub m: usize,
    pub m_max0: usize,
    pub ef_construction: usize,
    pub ef_search: usize,
    pub ml_bits: u64,
    pub pq_segments: usize,
    pub pq_centroids: usize,
}

Index metadata stored in the database.

Fields

dimension: usize

The dimension of embeddings.

distance_metric: DistanceMetric

The distance metric.

entry_point: Option<EntityId>

The entry point entity ID, if any.

max_layer: usize

The maximum layer in the graph.

m: usize

The M parameter.

m_max0: usize

The M_max0 parameter.

ef_construction: usize

The ef_construction parameter.

ef_search: usize

The ef_search parameter.

ml_bits: u64

The ml parameter (stored as bits).

pq_segments: usize

Number of PQ segments (0 = disabled).

pq_centroids: usize

Number of PQ centroids per segment.

Implementations

impl IndexMetadata

pub fn to_bytes(&self) -> Vec<u8>

Serialize metadata to bytes.

pub fn from_bytes(bytes: &[u8]) -> Result<Self, VectorError>

Deserialize metadata from bytes.

Trait Implementations

impl Clone for IndexMetadata

fn clone(&self) -> IndexMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for IndexMetadata

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

Formats the value using the given formatter.