--- signup.install.orig	2007-04-20 21:31:37.000000000 -0400
+++ signup.install	2007-09-11 12:44:48.000000000 -0400
@@ -245,6 +245,24 @@
   return $ret;
 }
 
+/**
+ * Add an "access" column.
+ */
+function signup_update_5202() {
+  $ret = array();
+  switch ($GLOBALS['db_type']) {
+    case 'mysql':
+    case 'mysqli':
+      $ret[] = update_sql("ALTER TABLE {signup} ADD access varchar(255) default NULL");
+      break;
+    case 'pgsql':
+      db_add_column($ret, 'signup', 'access', 'varchar(255)', array('not null' => FALSE, 'default' => NULL));
+      break;
+  }
+  return $ret;
+}
+
+
 function _signup_db_column_exists($table, $column) {
   switch ($GLOBALS['db_type']) {
     case 'mysql':