CREATE EXTENSION IF NOT EXISTS vector; CREATE TABLE doc_embedding ( domain VARCHAR(500) NOT NULL, path VARCHAR(1000) NOT NULL, ver VARCHAR(10) NOT NULL, chunk INTEGER NOT NULL, embed_mxbai_embed_large vector(1024) NOT NULL, PRIMARY KEY (domain, path, ver, chunk) ); CREATE INDEX ON doc_embedding USING ivfflat (embed_mxbai_embed_large vector_cosine_ops) WITH (lists = 200);