Full-text Search

3 articles

Full-Text Search in Postgres, Without Elasticsearch

Postgres has a powerful built-in full-text search engine using tsvector, tsquery, and GIN indexes — no Elasticsearch cluster required for most applications.

Jul 11, 2026·4 min read

Elasticsearch query pipeline showing analyzer, tokenizer, and scoring stages

Tutorials

Full-Text Search with Elasticsearch and Node.js

A step-by-step tutorial for full-text search with Elasticsearch: index design, analyzers, fuzzy matching, faceted search and performance tuning.

Jan 30, 2025·4 min read

Inverted index data structure mapping terms to document IDs with frequency scores

Tutorials

Building a Full-Text Search Engine from Scratch

How full-text search engines work inside: tokenization, inverted indexes, TF-IDF scoring, and building a working search engine in TypeScript step by step.

Nov 15, 2021·5 min read

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