今天遇到一个mysql错误:
 
Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and reconnect.

网上查了一下,原来是SET SQL_SAFE_UPDATES设置为1的原因。

解决办法:

执行

SET SQL_SAFE_UPDATES = 0;

执行完毕后,sql语句运营就没有问题了。

完事后最好改回去:

SET SQL_SAFE_UPDATES = 1;

因为 SQL_SAFE_UPDATES 可以防止不安全的sql执行,比如以下sql

delete from table t1 /* where true */;
update t set col='ss' /* where true */

上面这两条程序执行的话,估计该卷铺盖走人了。

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