might be cleaner to use Spec/Malli/etc in an earlier layer :thinking_face: e.g. (spec/def ::str (spec/and string? (complement has-null-chars?))) and use it as a vanilla validation along all other app-level validations

I see it's a PostgreSQL-only problem, according to that article. I started reading it and I'm thinking "Really? I've never encountered this as a problem with any database!" but then I've never used PostgreSQL 🙂