Clojurians Log v2

(def query-order-sensitive-lenient-index
  (assoc
    (pci/register
      [(pco/resolver 'friend
         {::pco/input   [:person/id]
          ::pco/output  [:person/friend]
          ::pco/resolve (fn [env input]
                          {:person/friend {:person/id (random-uuid)}})})
       ; This input can not be satisfied by the index
       (pco/resolver 'unreachable
         {::pco/input   [{:person/friend [:person/name]}]
          ::pco/output  [:person/all-friend-names]
          ::pco/resolve (fn [env input] "Cannot get here")})])
    :com.wsscode.pathom3.error/lenient-mode? true))

; ✅ Resolves :person/friend, fails to resolve :person/all-friend-names
(p.eql/process-one
  query-order-sensitive-lenient-index
  {[:person/id (random-uuid)]
   [:person/friend
    :person/all-friend-names]})
;=>
{:person/friend                                       {:person/id #uuid "41b460cd-9f73-4a8f-bee6-61b529d2eb22"},
 :com.wsscode.pathom3.connect.runner/attribute-errors {:person/all-friend-names {:com.wsscode.pathom3.error/cause :com.wsscode.pathom3.error/attribute-unreachable}}}

; 🔴 Also fails to resolve :person/friend
(p.eql/process-one
  query-order-sensitive-lenient-index
  {[:person/id (random-uuid)]
   [:person/all-friend-names                                ; Because this attribute is before :person/friend
    :person/friend]})
;=>
{:com.wsscode.pathom3.connect.runner/attribute-errors {:person/all-friend-names {:com.wsscode.pathom3.error/cause :com.wsscode.pathom3.error/attribute-unreachable},
                                                       :person/friend           {:com.wsscode.pathom3.error/cause :com.wsscode.pathom3.error/attribute-unreachable}}}

In the second case, the attribute order in the query fails the one attribute (:person/friend) that should always succeed