id , exam_paper_id, user_id, exam_templates_id insert into t_exam_templates_user_count (exam_paper_id, user_id, exam_templates_id) values (#{examPaperId}, #{userId}, #{examTemplatesId}) SELECT e.id as id, count(u.user_id) as count, u.user_id as userId FROM t_exam_templates e left join `t_exam_templates_user_count` u on u.exam_templates_id = e.id and u.user_id = #{userId} and u.exam_templates_id = #{templatesId} and e.status = 0 and e.status is null GROUP BY u.exam_templates_id, u.user_id select * from t_exam_templates_user_count where exam_templates_id in #{id} select * from t_exam_templates_user_count where user_id in #{id} select * from t_exam_templates_user_count where user_id = #{userId} and exam_templates_id = #{id} select count(*) from t_exam_templates_user_count a inner join t_exam_paper_answer b on a.exam_paper_id = b.exam_paper_id and (b.invalid = 0 or b.invalid is null) where user_id = #{userId} and exam_templates_id = #{id} select * from t_exam_templates_user_count where exam_templates_id = #{id} SELECT t.`name`as name,d.`name` as departmentName,u.real_name as userName,SUBSTRING_INDEX(a.user_score/10,".",1) as userScore,SUBSTRING_INDEX(a.paper_score/10,".",1) as paperScore,ee.count as count,a.do_time as doTime from t_exam_templates_user_count c LEFT JOIN (select user_id as id,exam_templates_id,count(*) as count from t_exam_templates_user_count GROUP BY exam_templates_id,user_id) ee on ee.exam_templates_id = c.exam_templates_id and ee.id = c.user_id LEFT JOIN t_exam_templates t on c.exam_templates_id = t.id INNER JOIN t_exam_paper_answer a on (c.exam_paper_id = a.exam_paper_id and c.user_id = a.create_user) LEFT JOIN t_user u on a.create_user = u.id LEFT JOIN t_department d on d.id = u.user_level where c.exam_templates_id = #{id} SELECT t.`name`as name,d.`name` as departmentName,u.real_name as userName,SUBSTRING_INDEX(a.user_score/10,".",1) as userScore,SUBSTRING_INDEX(a.paper_score/10,".",1) as paperScore,a.do_time as doTime from t_exam_templates_user c LEFT JOIN t_exam_templates t on c.templates_id = t.id left join t_exam_templates_user_count o on c.templates_id = o.exam_templates_id LEFT JOIN t_exam_paper_answer a on (o.exam_paper_id = a.exam_paper_id and o.user_id = a.create_user) LEFT JOIN t_user u on a.create_user = u.id LEFT JOIN t_department d on d.id = u.user_level where c.templates_id = #{id}