pgvector https://github.com/pgvector/pgvector Atilla BALCI atilla.balci@tarimorman.gov.tr PostgreSQL library

Open-source vector similarity search for PostgreSQL

pgvector is an open-source vector similarity search extension for PostgreSQL. Store, index, and query vectors directly in the database. Supports exact and approximate nearest neighbor search, L2, inner product, cosine, L1, Hamming, and Jaccard distances. https://github.com/pgvector/pgvector/archive/refs/tags/v0.8.2.tar.gz postgresql-server postgresql-lib gcc make pgvector postgresql-server postgresql-lib /usr/lib/postgresql/vector.so /usr/share/postgresql/extension/vector* /usr/include/postgresql/server/extension/vector 2026-04-18 0.8.2 First release Atilla BALCI atilla.balci@tarimorman.gov.tr