Index: simplenews.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/simplenews/simplenews.install,v
retrieving revision 1.3.2.6
diff -u -p -r1.3.2.6 simplenews.install
--- simplenews.install	3 Jun 2008 22:05:36 -0000	1.3.2.6
+++ simplenews.install	25 Jun 2008 12:26:21 -0000
@@ -183,6 +183,8 @@ function simplenews_update_5000() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
     case 'mysqli':
+      $ret[] = update_sql("ALTER TABLE {simplenews_subscriptions} ADD INDEX mail (mail);");
+      break;
     case 'pgsql':
       $ret[] = update_sql('CREATE INDEX {simplenews_subscriptions}_mail_idx ON {simplenews_subscriptions} (mail)');
       break;