A VectorStore on Postgres + pgvector. Ranks by cosine similarity (<=>), and reports score as 1 - cosine distance so it is comparable with the in-memory and SQLite stores.
<=>
score
1 - cosine distance
The table and extension are created on first use.
Optional
A VectorStore on Postgres + pgvector. Ranks by cosine similarity (
<=>), and reportsscoreas1 - cosine distanceso it is comparable with the in-memory and SQLite stores.The table and extension are created on first use.