在使用MySQL數據庫時，有時會遇到MySQL函數不能創建的情況。下面就教您一個解決MySQL函數不能創建問題的方法，供您借鑒參考。

出錯信息大致類似：

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)

MySQL函數不能創建，是未開啟功能：

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> 

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