michaeljinxq opened a new issue #2224: wrong result for the null value in  int 
column 
URL: https://github.com/apache/incubator-shardingsphere/issues/2224
 
 
   age null 
   mysql> insert into my_orders(name,create_time,age,ttt,dc) 
values('ruiaylin1', '2019-04-16 18:00:00', null,null, 14.56) ;
   Query OK, 1 row affected (0.10 sec)
   
   【proxy】
   mysql> select * from my_orders ;                  
   +------+-----------+-----------------------+------+------+-------+
   | id   | name      | create_time           | age  | ttt  | dc    |
   +------+-----------+-----------------------+------+------+-------+
   |    1 | ruiaylin  | 2019-04-15 18:00:00.0 |    0 | NULL |  NULL |
   |    2 | ruiaylin1 | 2019-04-16 18:00:00.0 |   15 | NULL |  NULL |
   |    3 | ruiaylin1 | 2019-04-16 18:00:00.0 |   15 | NULL | 14.56 |
   |    4 | ruiaylin1 | 2019-04-16 18:00:00.0 |    0 | NULL | 14.56 |   # age 0
   +------+-----------+-----------------------+------+------+-------+
   4 rows in set (0.03 sec)
   
   【mysql】
   mysql> mysql> select * from  my_orders_201904 ;
   +----+-----------+---------------------+------+------+-------+
   | id | name      | create_time         | age  | ttt  | dc    |
   +----+-----------+---------------------+------+------+-------+
   |  1 | ruiaylin  | 2019-04-15 18:00:00 | NULL | NULL |  NULL |
   |  2 | ruiaylin1 | 2019-04-16 18:00:00 |   15 | NULL |  NULL |
   |  3 | ruiaylin1 | 2019-04-16 18:00:00 |   15 | NULL | 14.56 |
   |  4 | ruiaylin1 | 2019-04-16 18:00:00 | NULL | NULL | 14.56 |    # age NULL
   +----+-----------+---------------------+------+------+-------+
   4 rows in set (0.00 sec)
   
   

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