[英]How to turn varchar(191) column with predefined values into enum in MySQL?
[英]How to prevent empty values of enum column in MySQL
mysql> CREATE TABLE foo ( f ENUM('a', '123') );
mysql> insert into foo(f) value(3);
Query OK, 1 row affected, 1 warning (0.00 sec)
mysql> select * from foo;
+------+
| f |
+------+
| |
+------+
插入超出范圍的值時,如何使其產生故障?
這似乎是mysql的錯誤: http : //bugs.mysql.com/bug.php? id= 43880
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