crux

  (put {:crux.db/id {[:user/id 1] :login-details} :user/id 1 :user/name "foo" :user/password "bar"})
  (put {:crux.db/id {[:user/id 1] :favorites} :user/id 1 :user/favorite-food "pie" :user/favorite-animal "cow"})

  (defn attr [ident attr]
    (dissoc (crux/entity (db) {ident attr}) :crux.db/id))

  (defn entity [ident]
    (let [[table id] ident]
      (dissoc
       (->> (q {:find  '[(eql/project ?e [*])]
                :where [['?e table id]]})
            (map peek)
            (into {} merge))
       :crux.db/id)))

  (attr [:user/id 1] :login-details)
  ;; {:user/id 1, :user/name "foo", :user/password "bar"}
  (entity [:user/id 1])
  ;; {:user/id 1,
  ;;  :user/favorite-food "pie",
  ;;  :user/favorite-animal "cow",
  ;;  :user/name "foo",
  ;;  :user/password "bar"}