MySQL创建函数出现1418错误，仔细研究了一下，找到了解决方法，这里做个总结，欢迎切磋。
代码如下:
错误码: 1418
This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary logging is enabled (you *might* want to use the less safe log_bin_trust_function_creators variable) 这个是创建函数功能未开。
(you *might* want to use the less safe log_bin_trust_function_creators variable)
(0 ms taken)
分析：
根据系统提示，导致该错误的原因可能是一个安全设置方面的配置，查手册
log_bin_trust_function_creators参数缺省0，是不允许function的同步的，一般我们在配置repliaction的时候，都忘记关注这个参数，这样在master更新funtion后，slave就会报告错误，然后slave stoped。
处理过程：
登陆mysql数据库
> set global log_bin_trust_function_creators ＝ 1;
> start slave;
mysql> set og_bin_trust_function_creators =1;
ERROR 1193 (HY000): Unknown system variable 'og_bin_trust_function_creators'
mysql> set log_bin_trust_function_creators =1;
ERROR 1229 (HY000): Variable 'log_bin_trust_function_creators' is a GLOBAL variable and should be set with SET GLOBAL
mysql> set global log_bin_trust_function_creators =1;
Query OK, 0 rows affected (0.00 sec)
mysql> show variable like '%func%';
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'variable like '%func%'' at line 1
mysql> show variables like '%func%';
+---------------------------------+-------+
| Variable_name | Value |
+---------------------------------+-------+
| log_bin_trust_function_creators | ON |
+---------------------------------+-------+
1 row in set (0.01 sec)
mysql> commit;
Query OK, 0 rows affected (0.00 sec)
mysql>
跟踪mysql的启动日志，slave正常运行，问题解决。
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2014-11-27 10:17:44 |
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