Index: simplenews.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/simplenews/simplenews.install,v
retrieving revision 1.3
diff -u -r1.3 simplenews.install
--- simplenews.install	19 Dec 2006 20:34:41 -0000	1.3
+++ simplenews.install	2 Nov 2007 16:55:22 -0000
@@ -12,7 +12,8 @@
         s_status int(2) NOT NULL default '0',
         mail varchar(64) NOT NULL default '',
         uid int(10) NOT NULL default '0',
-        PRIMARY KEY  (snid)
+        PRIMARY KEY  (snid),
+        KEY mail (mail)
         ) /*!40100 DEFAULT CHARACTER SET utf8 */;");
 
       $result[] = db_query("CREATE TABLE {simplenews_newsletters} (
@@ -41,6 +42,7 @@
         uid integer NOT NULL default '0',
         PRIMARY KEY  (snid)
         );");
+      $result[] = db_query('CREATE INDEX {simplenews_subscriptions}_mail_idx ON {simplenews_subscriptions} (mail)');
 
       $result[] = db_query("CREATE TABLE {simplenews_newsletters} (
         nid integer NOT NULL default '0',
@@ -100,4 +102,19 @@
       break;
   }
   return $ret;
+}
+
+/**
+ * Add index to simplenews_subscriptions
+ */
+function simplenews_update_5000() {
+  $ret = array();
+  switch ($GLOBALS['db_type']) {
+    case 'mysql':
+    case 'mysqli':
+    case 'pgsql':
+      $ret[] = update_sql('CREATE INDEX {simplenews_subscriptions}_mail_idx ON {simplenews_subscriptions} (mail)');
+      break;
+  }
+  return $ret;
 }
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