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MySQL 1418错误解决方法

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灯火互联
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  某一日,发现DB复制有问题
  Last_Errno: 1418
  Last_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: 'elearning_project_sxgzjs'. Query: 'CREATE DEFINER=`root`@`localhost` FUNCTION rand_string(n INT)
  RETURNS VARCHAR(255)
  BEGIN
  DECLARE chars_str varchar(100) DEFAULT '23456789abcdefghijkmnpqrstuvwxy';
  DECLARE return_str varchar(255) DEFAULT '';
  DECLARE i INT DEFAULT 0;
  WHILE i < n DO
  SET return_str = concat(return_str,substring(chars_str , FLOOR(RAND()*31 ),1));
  SET i = i +1;
  END WHILE;
  RETURN return_str;
  END'
  可以用命令行方式登录MYSQL执行下面的语句解决问题:
  mysql> SET GLOBAL log_bin_trust_function_creators = 1;

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