That's probably a decent takeaway. If full-text search is a "nice to have" (a bonus feature for advanced users, for example) you can probably rely on built-in

That's probably a decent takeaway. If full-text search is a "nice to have" (a bonus feature for advanced users, for example) you can probably rely on built-in Postgres search. If search is a fundamental way that users interact with your product, you want to spend the time and money to get it right, and that probably means ElasticSearch and a custom ranking function.