Hybrid Search with TimescaleDB: Vector, Keyword, and Temporal Filtering

TimescaleDB

By Damaso Sanoja

min read

Feb 05, 2026

Hybrid search tutorial: combine vector embeddings, BM25 keyword search, and temporal filtering in PostgreSQL to eliminate stale results in RAG applications.

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You Don’t Need Elasticsearch: BM25 is Now in Postgres

PostgreSQL

By Raja Rao DV

Dec 23, 2025

You don't need Elasticsearch: BM25 is now in Postgres with pg_textsearch. Get better search rankings with term frequency, IDF, and length normalization.

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