pgvector

PostgreSQL extension for storing vectors and running exact/approximate nearest-neighbor search in SQL.

Quick Navigation

• Installation: references/installation.md
• Core concepts and SQL recipes: references/core.md
• Indexing (HNSW / IVFFlat) and tuning: references/indexing.md
• Filtering, iterative scans, and performance: references/performance-and-filtering.md
• Types and functions reference (vector/halfvec/bit/sparsevec): references/types-and-functions.md
• Troubleshooting: references/troubleshooting.md
• Client libraries (priority):
  • Python: references/python.md
  • Go: references/go.md
  • Node (JS/TS): references/node.md
  • Java: references/java.md
  • Swift: references/swift.md