gistfile1.diff

diff --git a/core/modules/views/lib/Drupal/views/ViewsDataCache.php b/core/modules/views/lib/Drupal/views/ViewsDataCache.php
index bc5bd02..611e117 100644
--- a/core/modules/views/lib/Drupal/views/ViewsDataCache.php
+++ b/core/modules/views/lib/Drupal/views/ViewsDataCache.php
@@ -128,10 +128,10 @@ public function get($key = NULL) {
       }
 
       if (isset($this->storage[$key])) {
-        if (!$from_cache) {
+        if (!$from_cache && !isset($this->requestedTables[$key])) {
           // Add this table to a list of requested tables, as it's table cache
           // entry was not found.
-          array_push($this->requestedTables, $key);
+          $this->requestedTables[$key] = $key;
         }
 
         return $this->storage[$key];