sqlitevec

Documentation

Overview

Package sqlitevec is the bundled vector.Store backend: SQLite + sqlite-vec, in a dedicated database file (never the config-reloaded runtime DB).

v1 is exact, not approximate. Each collection is a normal table holding a serialized float32 BLOB per item plus a JSON metadata sidecar; search brute-force-ranks with sqlite-vec's vec_distance_cosine() scalar function and pushes the metadata filter into a parameterized WHERE before ranking. No vec0 virtual table, no ANN, no recall tuning — fine into the ~100k-vector range, and swappable for vec0/ANN or pgvector behind the vector.Store interface when HA or scale demands it.

Index

• type Store
  • func New(dbPath string) (*Store, error)
  • func (s *Store) Close() error
  • func (s *Store) Delete(ctx context.Context, tenant, collection string, ids []string) (int, error)
  • func (s *Store) DescribeCollection(ctx context.Context, tenant, name string) (vector.Collection, bool, error)
  • func (s *Store) EnsureCollection(ctx context.Context, tenant string, c vector.Collection) error
  • func (s *Store) Search(ctx context.Context, tenant, collection string, query []float32, limit int, ...) ([]vector.Match, error)
  • func (s *Store) Upsert(ctx context.Context, tenant, collection string, items []vector.Item) (int, error)

Types

type Store

type Store struct {
	// contains filtered or unexported fields
}

Store is the sqlite-vec-backed vector.Store.

func New

func New(dbPath string) (*Store, error)

New opens (creating if absent) the vector database at dbPath and verifies sqlite-vec is loaded. The DSN mirrors the chassis runtime convention (WAL + busy_timeout, no cache=shared).

func (*Store) Close

func (s *Store) Close() error

func (*Store) Delete

func (s *Store) Delete(ctx context.Context, tenant, collection string, ids []string) (int, error)

func (*Store) DescribeCollection

func (s *Store) DescribeCollection(ctx context.Context, tenant, name string) (vector.Collection, bool, error)

func (*Store) EnsureCollection

func (s *Store) EnsureCollection(ctx context.Context, tenant string, c vector.Collection) error

func (*Store) Search

func (s *Store) Search(ctx context.Context, tenant, collection string, query []float32, limit int, filter vector.Filter) ([]vector.Match, error)

func (*Store) Upsert

func (s *Store) Upsert(ctx context.Context, tenant, collection string, items []vector.Item) (int, error)