Full-text search

A technique for searching within text bodies, enabling efficient retrieval of documents containing specific words or phrases. Commonly implemented in databases and information retrieval systems.

Recent Developments

• pg_textsearch: Open-source PostgreSQL extension integrating BM25 ranking and search relevance natively, eliminating need for external engines like Elasticsearch for many AI and RAG (Retrieval Augmented Generation) use cases.
• Video discussion: Database search setup - Channel Tech with Tim (2026-04-14) covers implementation and implications for database search evolution.

Backlink: 2026 04 14 Database search setup Channel Tech with Tim

Source Notes

• 2026-04-23: Engine Survival: The Critical Role of Oil Pressure and Warning Lights
• 2026-04-14: [[lab-notes/2026-04-14-Optimizing-AI-Costs-and-Privacy-with-Local-Open-Source-Models-and-Hybr|“But OpenClaw is expensive…“]]