传播、沟通、分享今天在整理数据时，又碰到MySQL函数不能创建的问题，以前也遇到过多次，解决是解决了，但是解决办法总是记不住，也没有很好地写下来，以至于每次都要再次Google，耗时耗力，这次终于受不了了，还是选择写出来：
出错信息大致类似：
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)
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)
建立不了函数，是未开启功能：
- SQL code
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mysql> show variables like '%func%'; +---------------------------------+-------+ | Variable_name | Value | +---------------------------------+-------+ | log_bin_trust_function_creators | OFF | +---------------------------------+-------+ 1 row in set (0.00 sec) mysql> set global log_bin_trust_function_creators=1; Query OK, 0 rows affected (0.00 sec) mysql> show variables like '%func%'; +---------------------------------+-------+ | Variable_name | Value | +---------------------------------+-------+ | log_bin_trust_function_creators | ON | +---------------------------------+-------+ 1 row in set (0.00 sec) mysql>搞定！
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