user.re

open Sql;

let model =
  define(
    ~table="users",
    ~fields=[("id", UUID), ("firstName", String), ("lastName", String), ("email", String)]
  );

Sql.findById(model, 123)
|> Js.Promise.then_(
     (user) =>
       switch user {
       | Some(usr) => Js.log(usr.firstName)
       | None => Js.log("you don't exist")
       }
   );