Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1

Hey folks! As someone doing hybrid search daily and wishing I could have a pgvector-like experience but with actual prefiltered approximate nearest neighbours, I decided to just...

Early report Major update Updated Mar 25, 2026, 3:28 AM UTC

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Hacker News (hnrss): Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1.

First seen Mar 25, 2026, 3:28 AM UTC Latest source Mar 25, 2026, 3:28 AM UTC

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Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1

Hacker News (hnrss) •published Mar 25, 2026, 3:28 AM UTC •fetched Mar 25, 2026, 4:14 AM UTC