maintenance/archives/patch-recentchanges-rc_actor.sql

   1 ALTER TABLE /*_*/recentchanges
   2   ALTER COLUMN rc_user_text SET DEFAULT '',
   3   ADD COLUMN rc_actor bigint unsigned NOT NULL DEFAULT 0 AFTER rc_user_text;
   4 CREATE INDEX /*i*/rc_ns_actor ON /*_*/recentchanges (rc_namespace, rc_actor);
   5 CREATE INDEX /*i*/rc_actor ON /*_*/recentchanges (rc_actor, rc_timestamp);