Index: database/updates.inc
===================================================================
RCS file: /cvs/drupal/drupal/database/updates.inc,v
retrieving revision 1.174
diff -u -r1.174 updates.inc
--- database/updates.inc	4 Jan 2006 09:17:02 -0000	1.174
+++ database/updates.inc	5 Jan 2006 22:41:53 -0000
@@ -1281,8 +1281,11 @@
 
 function system_update_163() {
   $ret = array();
-  if ($GLOBALS['db_type'] == 'mysql') {
-    $ret[] = update_sql('ALTER TABLE {cache} CHANGE data data LONGBLOB');
+  
+  switch ($GLOBALS['db_type']) {
+    case 'mysql':
+    case 'mysqli':
+      $ret[] = update_sql('ALTER TABLE {cache} CHANGE data data LONGBLOB');
   }
   return $ret;
 }