Index: branches/RC/core/install/install_schema.sql
===================================================================
diff -u -r11328 -r11354
--- branches/RC/core/install/install_schema.sql	(.../install_schema.sql)	(revision 11328)
+++ branches/RC/core/install/install_schema.sql	(.../install_schema.sql)	(revision 11354)
@@ -112,7 +112,8 @@
   Type int(11) NOT NULL default '0',
   PRIMARY KEY  (EventId),
   KEY Type (Type),
-  KEY Enabled (Enabled)
+  KEY Enabled (Enabled),
+  KEY Event (Event)
 );
 
 CREATE TABLE IdGenerator (
Index: branches/RC/core/install/upgrades.sql
===================================================================
diff -u -r11332 -r11354
--- branches/RC/core/install/upgrades.sql	(.../upgrades.sql)	(revision 11332)
+++ branches/RC/core/install/upgrades.sql	(.../upgrades.sql)	(revision 11354)
@@ -996,3 +996,5 @@
 
 INSERT INTO ConfigurationAdmin VALUES ('MailingListSendPerStep', 'la_Text_smtp_server', 'la_config_MailingListSendPerStep', 'text', NULL, NULL, 30.10, 0, 0);
 INSERT INTO ConfigurationValues VALUES (DEFAULT, 'MailingListSendPerStep', 10, 'In-Portal', 'in-portal:configure_general');
+
+ALTER TABLE Events ADD INDEX (Event);