Introduce PhabricatorSavedQueryQuery

Summary: Same as D6051, but for SavedQueries instead of NamedQueries. These are POLICY_PUBLIC because you need to know the hash to access them, and because we want to let users copy/paste query URLs. Ref T2625.

Test Plan: Saved a query, reused a saved query.

Reviewers: btrahan, blc

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2625

Differential Revision: https://secure.phabricator.com/D6054

src/applications/paste/controller/PhabricatorPasteListController.php

@@ -34,9 +34,10 @@ final class PhabricatorPasteListController extends PhabricatorPasteController {
       ->setPasteSearchUser($request->getUser());
 
     if ($this->queryKey !== null) {
-      $saved_query = id(new PhabricatorSavedQuery())->loadOneWhere(
-        'queryKey = %s',
-        $this->queryKey);
+      $saved_query = id(new PhabricatorSavedQueryQuery())
+        ->setViewer($user)
+        ->withQueryKeys(array($this->queryKey))
+        ->executeOne();
 
       if (!$saved_query) {
         return new Aphront404Response();