Let's build a Full-Text Search engine
https://artem.krylysov.com/blog/2020/07/28/lets-build-a-full-text-search-engine/ [artem.krylysov.com]
2020-07-30 16:48
Today we are going to build our own FTS engine. By the end of this post, we’ll be able to search across millions of documents in less than a millisecond. We’ll start with simple search queries like “give me all documents that contain the word cat” and we’ll extend the engine to support more sophisticated boolean queries.
source: L