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mysql教程 this function has none of deterministic
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)
ysql> 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>