diff --git a/core/lib/Drupal/Core/Schema/Schema.php b/core/lib/Drupal/Core/Schema/Schema.php
index 2dc674b..b0ee5e0 100644
--- a/core/lib/Drupal/Core/Schema/Schema.php
+++ b/core/lib/Drupal/Core/Schema/Schema.php
@@ -144,9 +144,8 @@ public function getComplete($rebuild = FALSE) {
         if ($rebuild) {
           $this->cacheBackend->deleteTags(array('schema' => TRUE));
         }
-        // If the schema is empty, avoid saving it: some database engines require
-        // the schema to perform queries, and this could lead to infinite loops.
-        if (!empty($this->completeSchema) && ($this->drupalGetBootstrapPhase() == DRUPAL_BOOTSTRAP_FULL)) {
+        // If the schema is empty, avoid saving it.
+        if (!empty($this->completeSchema) && $this->isFullDrupalBootstrapPhase()) {
           $this->cacheBackend->set('schema', $this->completeSchema, Cache::PERMANENT, array('schema' => TRUE));
         }
       }
@@ -341,10 +340,12 @@ protected function initialize(&$schema, $module, $remove_descriptions = TRUE) {
   }
 
   /**
-   * Wraps drupal_get_bootstrap_phase().
+   * Determines if the drupal bootstrap phase is full.
+   *
+   * @return bool
    */
-  protected function drupalGetBootstrapPhase() {
-    return drupal_get_bootstrap_phase();
+  protected function isFullDrupalBootstrapPhase() {
+    return drupal_get_bootstrap_phase() == DRUPAL_BOOTSTRAP_FULL;
   }
 
 }