array( 'addPgIndex', 'recentchanges', 'rc_timestamp_bot', '(rc_timestamp) WHERE rc_bot = 0' ),
array( 'addPgIndex', 'templatelinks', 'templatelinks_from', '(tl_from)' ),
array( 'addPgIndex', 'watchlist', 'wl_user', '(wl_user)' ),
+ array( 'addPgIndex', 'watchlist', 'wl_user_notificationtimestamp', '(wl_user, wl_notificationtimestamp)' ),
array( 'addPgIndex', 'logging', 'logging_user_type_time',
'(log_user, log_type, log_timestamp)' ),
array( 'addPgIndex', 'logging', 'logging_page_id_time', '(log_page,log_timestamp)' ),