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我一直在试图找出什么我的beloe程序MySQL错误1064:在靠近1号线
CREATE PROCEDURE `example`(IN col_n char(50),IN p_cont char(50),IN p_ud int)
BEGIN
set @S = CONCAT('select rn.emp_id as emp_id,controller,perma,permb,permc,permd,order from emp n
join resource_emp rn on rn.emp_id = n.emp_id
join resource r on r.resource_id = rn.resource_id
join u_resource ur on ur.resource_id = r.resource_id
join user u on u.u_id = ur.ur_id
join(
select title,min(order) as pr from emp n
join resource_emp rn on rn.emp_id = n.emp_id
join resource r on r.resource_id = rn.resource_id
join u_resource ur on ur.resource_id = r.resource_id
join user u on u.u_id = ur.ur_id
where u.u_id = ',@p_ud,' group by title)a on a.title = n.title and a.pr = order
where u.u_id = ',@p_ud,' n.con = ''',@p_cont,''' and ,@col_n,' = 1
group by n.title order by n.order');
PREPARE stmt1 FROM @S;
EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
END
我试图执行如下的过程中做错了NULL,但有错误
call hop_thlc_t.auth('perma', 'submit', 2);
错误代码:1064.您的SQL语法错误;检查对应于你的MySQL服务器版本的手册,在第1行使用接近'NULL'的正确语法
虽然发生这种情况,但我仍然可以执行相同的操作并通过运行上述过程作为查询来获得所需的结果使用以下PARAMS
set @col_n ='perma';
set @p_cont = 'submit' ;
set @p_ud =2;
任何有助于解决这个问题认识
您在所有参数前添加了@,如何删除它们? –
嗨,当您在参数列表中使用'@ p_cont'时,您在查询中看到@ p_con'。 – mandar
错字,纠正它 – RData