Error 'This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and bin

mysql 创建函数是报错！

    Last_IO_Error:
               Last_SQL_Errno: 1418
               Last_SQL_Error: Error '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)' on query. Default database: 'kf'. Query: 'CREATE DEFINER=`root`@`localhost` FUNCTION `func_supername`(siteids VARCHAR(32)) RETURNS varchar(300) CHARSET utf8
BEGIN DECLARE superpid int DEFAULT  0;
        DECLARE ssname varchar(255) DEFAULT  NULL;
        set superpid = (select (case when t2.pid is null then 0 else t2.pid end) spid from t2d_enterpriseinfo t1 left JOIN t2d_site_classify t2 on t1.classifyid = t2.id  where siteid = siteids);  set ssname = (select t2.name from t2d_enterpriseinfo t1 left JOIN t2d_site_classify t2 on t1.classifyid = t2.id  where siteid = siteids);

解决办法：

mysql> show variables like ' log_bin_trust_function_creators';
Empty set (0.00 sec)

mysql> show variables like 'log_bin_trust_function_creators';
+---------------------------------+-------+
| 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> stop slave;
Query OK, 0 rows affected (0.01 sec)

mysql> start slave;
Query OK, 0 rows affected (0.00 sec)

mysql> show slave status\G;
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 172.6.2.1
                  Master_User: slave3
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: mysql-bin.000423
          Read_Master_Log_Pos: 95536598
               Relay_Log_File: mysql-relay-bin.001260
                Relay_Log_Pos: 972250501
        Relay_Master_Log_File: mysql-bin.000422
             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 0
                   Last_Error:
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 972250338
              Relay_Log_Space: 1169284268
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: 10902
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0