set global log_bin_trust_function_creators=TRUE; mysql自定义to_char 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CREATE FUNCTION `TO_CHAR`(`fdate` datetime,`format` varchar(255)) RETURNS varchar(255) CHARSET utf8mb3 BEGIN DECLARE v...