Index: includes/cache.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/cache.inc,v
retrieving revision 1.17.2.3
diff -u -r1.17.2.3 cache.inc
--- includes/cache.inc	10 Aug 2009 10:43:55 -0000	1.17.2.3
+++ includes/cache.inc	25 Nov 2009 22:29:28 -0000
@@ -169,7 +169,7 @@
   else {
     if ($wildcard) {
       if ($cid == '*') {
-        db_query("DELETE FROM {". $table ."}");
+        db_query("TRUNCATE TABLE {". $table ."}");
       }
       else {
         db_query("DELETE FROM {". $table ."} WHERE cid LIKE '%s%%'", $cid);