Unverified50% confidenceReleaseExact time
Tiger Data (the company behind TimescaleDB) has released an open-source Postgres extension named pg_vectorsearch, using a new index, PRISM.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/14/2026
First Seen
Valid until: 1/12/2027
Sources
Related Entities
Related Claims
UnverifiedPg_vectorsearch is a new index implementation proposed to address the performance bottleneck of PostgreSQL vector retrieval, which sparked discussion on Hacker News.65% similarUnverifiedpgxn.org 收录超过1000个 PostgreSQL 扩展，涵盖 PostGIS、pgvector、TimescaleDB 等63% similarUnverifiedPRISM is a native Postgres index access method that requires no additional deployment of a separate service; it clusters vectors by k-means, stores them using RaBitQ encoding, and during queries first walks the centroid tree to find the nearest cluster, scans the posting list, filters using error bounds, and then reranks with full-precision vectors.63% similarUnverifiedImmich 借助 pgvector 将 CLIP 特征向量持久化存储，pgvector 是 PostgreSQL 的向量相似度搜索扩展，于 2021 年首次发布56% similar
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