select student_id, class_id, campus_id, university_id,direct_key, modules, major_group,major_plan_id from learn_student and direct_key = #{directKey} SELECT distinct ls.`university_id`, ls.`major_group`, ls.`major_plan_id` FROM `learn_student` ls LEFT JOIN `learn_test_student` ts ON ts.`student_id` = ls.`student_id` AND ts.`batch_id` = #{batchId} JOIN `sys_user` u ON ls.`student_id` = u.`user_id` ts.`id` IS NULL and u.`location` = #{location} AND u.`exam_type` in #{id} AND ls.`class_id` IN #{id} AND ls.`university_id` IN #{id} AND ls.`major_group` IN #{id} AND ls.`major_plan_id` IN #{id} SELECT ls.*, u.nick_name studentName , tp.`paper_id` paperId, ts.`status` FROM `learn_student` ls JOIN `sys_user` u ON ls.`student_id` = u.`user_id` LEFT JOIN `learn_test_paper` tp ON tp.`batch_id` = #{batchId} AND tp.`direct_key` = ls.`direct_key` LEFT JOIN `learn_test_student` ts ON ts.`batch_id` = #{batchId} AND ls.`student_id` = ts.`student_id` where ts.`id` IS NULL AND ls.`class_id` IN #{id} where student_id = #{studentId} insert into learn_student student_id, class_id, campus_id, university_id, direct_key, modules, major_group, major_plan_id, #{studentId}, #{classId}, #{campusId}, #{universityId}, #{directKey}, #{modules}, #{majorGroup}, #{majorPlanId}, update learn_student class_id = #{classId}, campus_id = #{campusId}, university_id = #{universityId}, direct_key = #{directKey}, modules = #{modules}, major_group = #{majorGroup}, major_plan_id = #{majorPlanId}, where student_id = #{studentId} delete from learn_student where student_id = #{studentId} delete from learn_student where student_id in #{studentId}