mysql> show variables like '%old_character_set_client%'; Empty set (0.00 sec)
mysql> select @asdfsafsafsafsaf; +-------------------+ | @asdfsafsafsafsaf | +-------------------+ | NULL | +-------------------+ 1 row in set (0.00 sec)
这样啊,又学到了 /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; 这是在mysqldump里面的语句 那这些都是无意义的了
Empty set (0.00 sec)
+-------------------+
| @asdfsafsafsafsaf |
+-------------------+
| NULL |
+-------------------+
1 row in set (0.00 sec)
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
这是在mysqldump里面的语句
那这些都是无意义的了
...
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;