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Inverted indexes are the perfect structure for text search.

Inverted indexes are the perfect structure for text search. "Inverted" here doesn't mean upside-down. Rather that it's…

This is a dev post classified by Jev as Databases (a launch), kept by the Dev Radar because it carries real work, not commentary.

Inverted indexes are the perfect structure for text search. "Inverted" here doesn't mean upside-down. Rather that it's an inversion of the original data. We take every distinct word from a set of documents and build a "posting list" of references back to every location where that word is used. When structured right, this lets databases like Postgres do fast lookup of words and phrases. TIN takes all this to the next level for Postgres. Span queries, fuzzy matching, wildcard matching, regex. All while strictly holding to Postgres durability, replication, and transactional semantics. Also, i

Posted by Ben Dicken (47.4k followers) 3 days ago · 537 likes · 31.7k views · view the original post on X. Kept by the Dev Radar as Databases.

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