日喀则MySQL创建函数时1418错误代码解决方案

以下是引用片段：
ErrorCode:1418
ThisfunctionhasnoneofDETERMINISTIC,NOSQL,orREADSSQLDATAinitsdeclarationandbinaryloggingisenabled(you*might*wanttousethelesssafelog_bin_trust_function_creatorsvariable)
(0mstaken)

　　解决方法如下：

　　1. mysql> SET GLOBAL log_bin_trust_function_creators = 1;

　　2. 系统启动时 --log-bin-trust-function-creators=1

　　3. 在my.ini(linux下为my.conf)文件中 [mysqld] 标记后加一行内容为 log-bin-trust-function-creators

如果在create function的时候有 1418的错语的时候:那么只需要执行set global log_bin_trust_routine_creators=1;

然后怎么create function 都不会有问题(当然,你的function必段正确哦),这是mysql的一个bug,搞不懂为什么,反正这样做就OK了.

另外，也可以直接在配置文件my.cnf中添加如下行[mysqld] log_bin_trust_routine_creators=1;

这个命令可以在sql editor的环境中运行，并不需要重新启动服务哦。

MySQL自5.0之后终于支援SP( Store Procedures )，
ERROR 1418 (HY000): 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) Assessment of the nature of a function is based on the “honesty” of the creator: MySQL does not check that a function declared DETERMINISTIC is free of statements that produce non-deterministic results.

To relax the preceding conditions on function creation (that you must have the SUPER privilege and that a function must be declared deterministic or to not modify data), set the global log_bin_trust_function_creators system variable to 1. By default, this variable has a value of 0, but you can change it like this:

mysql> SET GLOBAL log_bin_trust_function_creators = 1;
You can also set this variable by using the --log-bin-trust-function-creators=1 option when starting the server.
1. mysql> SET GLOBAL log_bin_trust_function_creators = 1;
2. 系统启动时，加上--log-bin-trust-function-creators 参数为1
3. 直接在my.ini的[mysqld]区段加上log-bin-trust-function-creators=1
当然我想大多数人会用第三种方法，
ok...继续我的SP学习,good luck..

二、mysql ERROR 1418 (HY000)

ERROR 1418 (HY000): 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)

应该是我们开启了bin-log, 我们就必须指定我们的函数是否是
1 DETERMINISTIC 不确定的
2 NO SQL 没有SQl语句，当然也不会修改数据
3 READS SQL DATA 只是读取数据，当然也不会修改数据
4 MODIFIES SQL DATA 要修改数据
5 CONTAINS SQL 包含了SQL语句


其中在function里面，只有 DETERMINISTIC, NO SQL 和 READS SQL DATA 被支持。如果我们开启了 bin-log, 我们就必须为我们的function指定一个参数。

我们可以通过设置如下的参数来关掉这个。

SET GLOBAL log_bin_trust_function_creators = 1;

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