Yesod: Getting a database entity by ID from an Int

Question

I\'m new to both Haskell and Yesod, and am trying to build a simple web application that can answer queries from an external API. I have built a parser (using Parsec), that

Answer 1

PersistInt64 is here: Database.Persist.Types.

Previously PersistInt64 was here: Database.Persist.Store.