C data type and functions for sparse float vectors, normalization, dot product, and cosine similarity.
pgext.cloud · Source code · Documentation · License text · Control file
| Package | pg_sparse_vector |
|---|---|
| Version | 0.1 |
| PostgreSQL versions | 10 · 11 · 12 · 13 · 14 · 15 · 16 · 17 · 18 |
| Repository | Unspecified |
| Extension type | Standard |
| Requires CREATE EXTENSION | Yes |
| Requires preload | No |
| Trusted | No |
| Relocatable | No |
| Stars | 2 |
| Latest commit | 2021-01-04 |
| Catalogue updated | 2026-08-30 |
| vector | vector data type and ivfflat and hnsw access methods |
| pgcontext | Vector, filter-aware HNSW, and hybrid retrieval over authoritative PostgreSQL tables. |
| smlar | Effective similarity search |
| pg_similarity | support similarity queries |
| vectorize | The simplest way to do vector search on Postgres |
| embedding | HNSW vector similarity search extension for PostgreSQL real[] embeddings. |
| ruvector | SIMD-accelerated vector type and indexes with graph, solver, TDA, local embedding, and AI SQL functions. |
| pase | PostgreSQL ultra-high dimensional approximate nearest neighbor search extension. |
| pg_bestmatch | Generate BM25 sparse vector inside PostgreSQL |
| pgmnemo | Single-plan multimodal agent memory for PostgreSQL |