Additional fix for bug#22369

mysql-test/t/events_bugs.test:
  let events_bugs not fail because of timing
sql/sql_table.cc:
  if the db or name has been changed ALTER_RENAME,
  then fix table_list
  Solution by having the second table added in the parser to the
  list of used tables, won't work because checking of rights of merge
  tables goes over table_list->next_local and checks the rights, so
  we will fail there.
sql/sql_yacc.yy:
  fix name - prevents ddd from correct working

mysql-test/t/events_bugs.test

@@ -280,7 +280,7 @@ create event e22830_3 on schedule every 1 hour do alter event e22830_3 on schedu
 create event e22830_4 on schedule every 1 hour do alter event e22830_4 on schedule every (select f22830() from dual) hour;
 select event_name, event_definition, interval_value, interval_field from information_schema.events order by event_name;
 set global event_scheduler=on;
---sleep 2.4
+--sleep 4
 set global event_scheduler=off;
 select event_name, event_definition, interval_value, interval_field from information_schema.events order by event_name;
 drop function f22830;

sql/sql_table.cc

@@ -6527,6 +6527,15 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
   {
     if (! table)
     {
+      if (new_name != table_name || new_db != db)
+      {
+        table_list->alias= new_name;
+        table_list->table_name= new_name;
+        table_list->table_name_length= strlen(new_name);
+        table_list->db= new_db;
+        table_list->db_length= strlen(new_db);
+      }
+
       VOID(pthread_mutex_unlock(&LOCK_open));
       if (! (table= open_ltable(thd, table_list, TL_WRITE_ALLOW_READ)))
         goto err;

sql/sql_yacc.yy

@@ -4868,7 +4868,7 @@ alter_commands:
         | remove_partitioning
         | partitioning
 /*
-  This part was added for release 5.1 by Mikael Ronstrm.
+  This part was added for release 5.1 by Mikael Ronström.
   From here we insert a number of commands to manage the partitions of a
   partitioned table such as adding partitions, dropping partitions,
   reorganising partitions in various manners. In future releases the list