diff --git a/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php b/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
index 4d0f96bde5..772be350a9 100644
--- a/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
+++ b/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
@@ -872,6 +872,15 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
    * @task order
    */
   public function getOrderableColumns() {
+    $cache = PhabricatorCaches::getRequestCache();
+    $class = get_class($this);
+    $cache_key = 'query.orderablecolumns.'.$class;
+
+    $columns = $cache->getKey($cache_key);
+    if ($columns !== null) {
+      return $columns;
+    }
+
     $columns = array(
       'id' => array(
         'table' => $this->getPrimaryTableAlias(),
@@ -909,6 +918,8 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
       }
     }
 
+    $cache->setKey($cache_key, $columns);
+
     return $columns;
   }