DROP FUNCTION empty_call; CREATE FUNCTION empty_call RETURNS string SONAME 'mysql_udf_http_rs.dll';

select empty_call('https://weibo.com')

drop table request_t; create table request_t(url text,result text); create table result_t(url text,result text);

insert into request_t (url) values ('https://weibo.com');

SELECT * FROM result_t;

DELIMITER | DROP TRIGGER IF EXISTS request_t; CREATE TRIGGER test_insert AFTER INSERT ON request_t FOR EACH ROW BEGIN SET @tt_re = (SELECT empty_call(NEW.url)); insert into result_t(url,result)values(NEW.url,@tt_re); END | DELIMITER ; 遇到openssl的问题： yum -y install openssl openssl-devel