--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/cache-install.inc	Tue Dec 23 14:28:28 2008 +0100
@@ -0,0 +1,24 @@
+<?php
+// $Id: cache-install.inc,v 1.2 2007/08/07 08:39:35 goba Exp $
+
+/**
+ * A stub cache implementation to be used during the installation
+ * process when database access is not yet available. Because Drupal's
+ * caching system never requires that cached data be present, these
+ * stub functions can short-circuit the process and sidestep the
+ * need for any persistent storage. Obviously, using this cache
+ * implementation during normal operations would have a negative impact
+ * on performance.
+ */
+
+function cache_get($key, $table = 'cache') {
+  return FALSE;
+}
+
+function cache_set($cid, $data, $table = 'cache', $expire = CACHE_PERMANENT, $headers = NULL) {
+  return;
+}
+
+function cache_clear_all($cid = NULL, $table = NULL, $wildcard = FALSE) {
+  return;
+}