id,qu_type,level, image,content,create_time, update_time,remark,analysis SELECT q.* FROM el_qu q LEFT JOIN el_qu_repo po ON q.id=po.qu_id AND q.qu_type = #{quType} AND po.repo_id IN #{repoId} AND q.content LIKE concat('%',#{content},'%') GROUP BY q.id ORDER BY q.update_time DESC SELECT a.* FROM el_qu a LEFT JOIN el_qu_repo b ON a.id=b.qu_id WHERE b.repo_id=#{repoId} AND a.qu_type=#{quType} AND a.id NOT IN '${item}' ORDER BY RAND() LIMIT ${size}