--- Platforms/MySqlPlatform.old2.php	2011-05-13 17:01:00.000000000 -0500
+++ Platforms/MySqlPlatform.php	2011-05-13 17:03:38.000000000 -0500
@@ -357,7 +357,10 @@
 
         // attach all primary keys
         if (isset($options['primary']) && ! empty($options['primary'])) {
-            $keyColumns = array_unique(array_values($options['primary']));
+            $keyColumns = array();
+            foreach(array_unique(array_values($options['primary'])) as $keyColumn) {
+                $keyColumns[] = $this->quoteIdentifier($keyColumn);
+            }
             $queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
         }