Struct lance :: index :: vector :: VectorIndexParams Copy item path

impl VectorIndexParams

pub fn ivf_flat(num_partitions: usize, metric_type: MetricType) -> Self

pub fn ivf_hnsw( num_partitions: usize, distance_type: DistanceType, hnsw_params: HnswBuildParams, ) -> Self

pub fn ivf_pq( num_partitions: usize, num_bits: u8, num_sub_vectors: usize, metric_type: MetricType, max_iterations: usize, ) -> Self

Create index parameters for IVF_PQ index.

Parameters

num_partitions: the number of IVF partitions.
num_bits: the number of bits to present the centroids used in PQ. Can only be 8 for now.
num_sub_vectors: the number of sub vectors used in PQ.
metric_type: how to compute distance, i.e., L2 or Cosine.

pub fn with_ivf_pq_params( metric_type: MetricType, ivf: IvfBuildParams, pq: PQBuildParams, ) -> Self

Create index parameters with IVF and PQ parameters, respectively.

pub fn with_ivf_hnsw_pq_params( metric_type: MetricType, ivf: IvfBuildParams, hnsw: HnswBuildParams, pq: PQBuildParams, ) -> Self

Create index parameters with IVF, PQ and HNSW parameters, respectively. This is used for IVF_HNSW_PQ index.

pub fn with_ivf_hnsw_sq_params( metric_type: MetricType, ivf: IvfBuildParams, hnsw: HnswBuildParams, sq: SQBuildParams, ) -> Self

Create index parameters with IVF, HNSW and SQ parameters, respectively. This is used for IVF_HNSW_SQ index.

Trait Implementations§

impl Clone for VectorIndexParams

fn clone(&self) -> VectorIndexParams

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

impl Debug for VectorIndexParams

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

Formats the value using the given formatter. Read more

fn index_name(&self) -> &str

Auto Trait Implementations§

impl Freeze for VectorIndexParams

impl !RefUnwindSafe for VectorIndexParams

impl Send for VectorIndexParams

impl Sync for VectorIndexParams

impl Unpin for VectorIndexParams

impl !UnwindSafe for VectorIndexParams

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