? sites/default/modules
? sites/default/settings.php
Index: modules/system/system.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.admin.inc,v
retrieving revision 1.104
diff -u -p -r1.104 system.admin.inc
--- modules/system/system.admin.inc	11 Nov 2008 22:39:59 -0000	1.104
+++ modules/system/system.admin.inc	19 Nov 2008 19:00:34 -0000
@@ -1772,7 +1772,7 @@ function system_status($check = FALSE) {
   }
   // MySQL import might have set the uid of the anonymous user to autoincrement
   // value. Let's try fixing it. See http://drupal.org/node/204411
-  db_query("UPDATE {users} SET uid = uid - uid WHERE name = '' AND pass = '' AND status = 0");
+  db_query("UPDATE {users} SET uid = uid - uid WHERE name = 'default' AND pass = 'default' AND status = 0");
 
   return theme('status_report', $requirements);
 }
Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.280
diff -u -p -r1.280 system.install
--- modules/system/system.install	15 Nov 2008 13:01:10 -0000	1.280
+++ modules/system/system.install	19 Nov 2008 19:00:35 -0000
@@ -351,7 +351,7 @@ function system_install() {
   // uid 2 which is not what we want. So we insert the first user here, the
   // anonymous user. uid is 1 here for now, but very soon it will be changed
   // to 0.
-  db_query("INSERT INTO {users} (name, mail) VALUES('%s', '%s')", '', '');
+  db_query("INSERT INTO {users} (name, pass, status) VALUES ('default', 'default', 0)");
   // We need some placeholders here as name and mail are uniques and data is
   // presumed to be a serialized array. Install will change uid 1 immediately
   // anyways. So we insert the superuser here, the uid is 2 here for now, but
@@ -359,7 +359,7 @@ function system_install() {
   db_query("INSERT INTO {users} (name, mail, created, status, data) VALUES('%s', '%s', %d, %d, '%s')", 'placeholder-for-uid-1', 'placeholder-for-uid-1', REQUEST_TIME, 1, serialize(array()));
   // This sets the above two users uid 0 (anonymous). We avoid an explicit 0
   // otherwise MySQL might insert the next auto_increment value.
-  db_query("UPDATE {users} SET uid = uid - uid WHERE name = '%s'", '');
+  db_query("UPDATE {users} SET uid = uid - uid WHERE name = 'default'");
   // This sets uid 1 (superuser). We skip uid 2 but that's not a big problem.
   db_query("UPDATE {users} SET uid = 1 WHERE name = '%s'", 'placeholder-for-uid-1');
 
Index: modules/user/user.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.install,v
retrieving revision 1.14
diff -u -p -r1.14 user.install
--- modules/user/user.install	15 Nov 2008 13:01:11 -0000	1.14
+++ modules/user/user.install	19 Nov 2008 19:00:35 -0000
@@ -100,14 +100,14 @@ function user_schema() {
         'type' => 'varchar',
         'length' => 60,
         'not null' => TRUE,
-        'default' => '',
+        'default' => 'default',
         'description' => 'Unique user name.',
       ),
       'pass' => array(
         'type' => 'varchar',
         'length' => 128,
         'not null' => TRUE,
-        'default' => '',
+        'default' => 'default',
         'description' => "User's password (hashed).",
       ),
       'mail' => array(
@@ -292,6 +292,41 @@ function user_update_7001() {
 }
 
 /**
+ * Replace fields default value from '' to 'default'.
+ */
+function user_update_7002() {
+  $ret = array();
+
+  $schema['users'] = array(
+    'fields' => array(
+      'name' => array(
+        'type' => 'varchar',
+        'length' => 60,
+        'not null' => TRUE,
+        'default' => 'default',
+        'description' => 'Unique user name.',
+      ),
+      'pass' => array(
+        'type' => 'varchar',
+        'length' => 128,
+        'not null' => TRUE,
+        'default' => 'default',
+        'description' => "User's password (hashed).",
+      ),
+    ),
+  );
+
+  foreach ($schema as $table => $fields) {
+    foreach ($fields['fields'] as $field => $def) {
+      db_change_field($ret, $table, $field, $field, $def);
+      $ret[] = update_sql("UPDATE {" . $table . "} SET " . $field . " = 'default' WHERE " . $field . " = ''");
+    }
+  }
+
+  return $ret;
+}
+
+/**
  * @} End of "defgroup user-updates-6.x-to-7.x"
  * The next series of updates should start at 8000.
  */