small bug fix

sql/sql_derived.cc

@@ -111,6 +111,7 @@ int mysql_derived(THD *thd, LEX *lex, SELECT_LEX_UNIT *unit, TABLE_LIST *t)
 	  t->real_name=table->real_name;
 	  t->table=table;
 	  table->derived_select_number= sl->select_number;
+	  table->tmp_table=TMP_TABLE;
 	  if (!lex->describe)
 	    sl->exclude();
 	  t->db= (tables && tables->db && tables->db[0]) ? t->db : thd->db;

sql/sql_parse.cc

@@ -1332,13 +1332,18 @@ mysql_execute_command(THD *thd)
     TODO: make derived tables processing 'inside' SELECT processing.
     TODO: solve problem with depended derived tables in subselects
   */
-if (lex->derived_tables)
+  if ((lex->select_lex.next_select_in_list() && 
+       lex->unit.create_total_list(thd, lex, &tables)) ||
+      (table_rules_on && tables && thd->slave_thread &&
+       !tables_ok(thd,tables)))
+    DBUG_VOID_RETURN;
+  if (lex->derived_tables)
   {
     for (TABLE_LIST *cursor= tables;
 	 cursor;
 	 cursor= cursor->next)
       if (cursor->derived && (res=mysql_derived(thd, lex,
-					   (SELECT_LEX_UNIT *)cursor->derived,
+						(SELECT_LEX_UNIT *)cursor->derived,
 						cursor)))
       {  
 	if (res < 0)
@@ -1346,11 +1351,6 @@ if (lex->derived_tables)
 	DBUG_VOID_RETURN;
       }
   } 
-  if ((lex->select_lex.next_select_in_list() && 
-       lex->unit.create_total_list(thd, lex, &tables)) ||
-      (table_rules_on && tables && thd->slave_thread &&
-       !tables_ok(thd,tables)))
-    DBUG_VOID_RETURN;
 
   thread_safe_increment(com_stat[lex->sql_command],&LOCK_status);
   switch (lex->sql_command) {
@@ -2717,6 +2717,8 @@ check_table_access(THD *thd, ulong want_access,TABLE_LIST *tables,
   TABLE_LIST *org_tables=tables;
   for (; tables ; tables=tables->next)
   {
+    if (tables->derived)
+      continue;
     if ((thd->master_access & want_access) == (want_access & ~EXTRA_ACL) &&
 	thd->db)
       tables->grant.privilege= want_access;