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SqliteVecStore

archelon_core::vector_store

Struct SqliteVecStore 

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pub struct SqliteVecStore { /* private fields */ }
Expand description

Vector store backed by the sqlite-vec extension, living inside the existing SQLite cache database.

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impl SqliteVecStore

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pub fn open(journal: &Journal, embedding_dim: u32) -> Result<Self>

Open (or create) the sqlite-vec store for journal with embedding_dim dimensions.

The returned store owns the underlying connection. Call Self::conn to pass it to cache::sync_cache.

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pub fn conn(&self) -> &Connection

Borrow the underlying SQLite connection.

Needed to call cache::sync_cache with the same connection that already has the sqlite-vec extension loaded.

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pub fn vec_info(&self) -> Result<VecInfo>

Read vector index statistics for display in cache info.

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impl VectorStore for SqliteVecStore

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fn embedded_chunk_keys(&self) -> Result<HashSet<(i64, usize)>>

Return the (entry_id, chunk_index) pairs that already have embeddings stored, so callers can compute the pending set.
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fn insert_embeddings( &self, chunks: &[Chunk], embeddings: &[Vec<f32>], ) -> Result<()>

Store embeddings for a batch of chunks. Read more
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fn search_similar( &self, query_vec: &[f32], limit: usize, ) -> Result<Vec<ChunkSearchResult>>

Find the limit most similar chunks to query_vec, ordered by ascending distance.

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