select open change scope Open full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

Extensions / AI and vectors

pg_rrf

Reciprocal rank fusion functions for hybrid search

pgext.cloud · Source code · License text · Control file

Overview

Packagepg_rrf
Version0.0.3
PostgreSQL versions14 · 15 · 16 · 17 · 18
RepositoryPIGSTY
Extension typeStandard
Requires CREATE EXTENSIONYes
Requires preloadNo
TrustedNo
RelocatableNo
Stars3
Latest commit2026-01-03
Latest release2026-01-03
Catalogue updated2026-08-30

Related extensions

See also

pg_searchFull text search for PostgreSQL using BM25
pg_bestmatchGenerate BM25 sparse vector inside PostgreSQL
vectorvector data type and ivfflat and hnsw access methods
pgcontextVector, filter-aware HNSW, and hybrid retrieval over authoritative PostgreSQL tables.
vectorizeThe simplest way to do vector search on Postgres
pg_textsearchFull-text search with BM25 ranking
vchord_bm25A postgresql extension for bm25 ranking algorithm
pg_ftsFull-text search with BM25 and BM25F ranking
pgmnemoSingle-plan multimodal agent memory for PostgreSQL
pg_similaritysupport similarity queries