Supabase pgvector Guide — Semantic Search, RAG, and Recommendations in PostgreSQL

Supabase pgvector Guide — Semantic Search, RAG, and Recommendations in PostgreSQL pgvector adds vector types to PostgreSQL. Supabase enables it by default — meaning you can build semantic search, RAG, and recommendation systems without any extra infrastructure. Schema Setup CREATE EXTENSION IF NOT EXISTS vector ; CREATE TABLE documents ( id UUID DEFAULT gen_random_uuid () PRIMARY KEY , user_id UUID REFERENCES auth . users ( id ), title TEXT NOT NULL , content TEXT NOT NULL , embedding vector ( 1