`id`,`exam_id`,`repo_id`,`radio_count`,`radio_score`,`multi_count`,`multi_score`,`judge_count`,`judge_score` SELECT ep.*, (SELECT COUNT(0) FROM el_qu_repo WHERE repo_id=ep.repo_id AND qu_type=1) AS totalRadio, (SELECT COUNT(0) FROM el_qu_repo WHERE repo_id=ep.repo_id AND qu_type=2) AS totalMulti, (SELECT COUNT(0) FROM el_qu_repo WHERE repo_id=ep.repo_id AND qu_type=3) AS totalJudge FROM el_exam_repo ep WHERE ep.exam_id=#{examId}