將自動增量插入第二列

Question

我在尋找像這樣的查詢：

id | int |自動增量 東西| varchar | 255

insert into `table` set something = concat('val', id); 

使表最終看起來像

1 | VAL1
2 | VAL2
3 | VAL3 ...

除了ID總是結束每行都爲val0。

我該怎麼做？

Answer 1

mysql> describe concattest; 
+-------+------------------+------+-----+---------+----------------+ 
| Field | Type    | Null | Key | Default | Extra   | 
+-------+------------------+------+-----+---------+----------------+ 
| id | int(10) unsigned | NO | PRI | NULL | auto_increment | 
| val | text    | YES |  | NULL |    | 
+-------+------------------+------+-----+---------+----------------+ 
2 rows in set (0.00 sec) 

mysql> INSERT INTO concattest (val) VALUES (concat('val', LAST_INSERT_ID())); 
Query OK, 1 row affected (0.06 sec) 

mysql> select * from concattest; 
+----+------+ 
| id | val | 
+----+------+ 
| 1 | val0 | 
+----+------+ 
1 row in set (0.00 sec) 

mysql> INSERT INTO concattest (val) VALUES (concat('val', LAST_INSERT_ID())); 
Query OK, 1 row affected (0.00 sec) 

mysql> select * from concattest; 
+----+------+ 
| id | val | 
+----+------+ 
| 1 | val0 | 
| 2 | val1 | 
+----+------+ 
2 rows in set (0.00 sec) 

mysql> INSERT INTO concattest (val) VALUES (concat('val', LAST_INSERT_ID())); 
Query OK, 1 row affected (0.00 sec) 

mysql> select * from concattest; 
+----+------+ 
| id | val | 
+----+------+ 
| 1 | val0 | 
| 2 | val1 | 
| 3 | val2 | 
+----+------+ 
3 rows in set (0.00 sec)