ALTER TABLE Events ADD INDEX lookup_when( person_id, event_id );
ALTER TABLE Events add index lookup_event_when (event_when);
-ALTER TABLE Events add index lookup_action (event_action);
-ALTER TABLE Events add index lookup_on_table (event_on_table);
+ALTER TABLE Events add index lookup_action (action);
+ALTER TABLE Events add index lookup_on_table (on_table);
+ALTER TABLE Events add index lookup_action_person (action, person_id);
CREATE TABLE core_event_audit (
id int(11) NOT NULL AUTO_INCREMENT,