Struct flechasdb::asyncdb::stored::Database

pub struct Database<T, FS>where
    T: Send,
    FS: Send,{ /* private fields */ }

Asynchronous database associated with an asynchronous file system.

Implementations

impl<T, FS> Database<T, FS>where T: Send, FS: Send,

pub const fn vector_size(&self) -> usize

Returns the vector size.

pub const fn num_partitions(&self) -> usize

Returns the number of partitions.

pub const fn num_divisions(&self) -> usize

Returns the number of divisions.

pub const fn num_codes(&self) -> usize

Returns the number of codes.

impl<'db, T, FS> Database<T, FS>where T: Send, FS: Send, Self: 'db + LoadPartitionCentroids<'db, T>,

pub fn query<'v, V>( &'db self, v: &'v V, k: NonZeroUsize, nprobe: NonZeroUsize ) -> Query<'db, 'v, T, FS, V, impl FnMut(QueryEvent)> where V: AsSlice<T> + Send + ?Sized,

Queries k-nearest neighbors of a given vector.

pub fn query_with_events<'v, V, EV>( &'db self, v: &'v V, k: NonZeroUsize, nprobe: NonZeroUsize, event_handler: EV ) -> Query<'db, 'v, T, FS, V, EV> where V: AsSlice<T> + Send + ?Sized, EV: FnMut(QueryEvent),

Queries k-nearest neighbors of a given vector.

Trait Implementations

impl<'db, T, FS> LoadAttributesLog<'db> for Database<T, FS>where T: Send + Sync, FS: FileSystem + Send + Sync, Self: LoadPartition<'db, T> + Sync,

fn load_attributes_log<'async_trait>( &'db self, index: usize ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>where Self: 'async_trait, 'db: 'async_trait,

Loads the attributes log of a partition in the database.

impl<FS> LoadCodebook<f32> for Database<f32, FS>where FS: FileSystem + Send + Sync,

fn load_codebook<'life0, 'async_trait>( &'life0 self, index: usize ) -> Pin<Box<dyn Future<Output = Result<BlockVectorSet<f32>, Error>> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Loads a specified codebook of the database.

impl<FS> LoadDatabase<f32, FS> for Database<f32, FS>where for<'a> FS: 'a + FileSystem + Send + Sync,

fn load_database<'async_trait, P>( fs: FS, path: P ) -> Pin<Box<dyn Future<Output = Result<Database<f32, FS>, Error>> + Send + 'async_trait>>where P: Into<String> + Send + 'async_trait,

Loads a database.

impl<'db, FS> LoadPartition<'db, f32> for Database<f32, FS>where FS: FileSystem + Send + Sync, Self: 'db,

fn load_partition<'async_trait>( &'db self, index: usize ) -> Pin<Box<dyn Future<Output = Result<&'db Partition<f32>, Error>> + Send + 'async_trait>>where Self: 'async_trait, 'db: 'async_trait,

Loads a specified partition of the database.

impl<'db, FS> LoadPartitionCentroids<'db, f32> for Database<f32, FS>where FS: FileSystem + Send + Sync, Self: 'db,

fn load_partition_centroids<'async_trait>( &'db self ) -> Pin<Box<dyn Future<Output = Result<&'db BlockVectorSet<f32>, Error>> + Send + 'async_trait>>where Self: 'async_trait, 'db: 'async_trait,

Loads the partition centroids of the database.