执行SQL发生错误!错误:Can't create/write to file '/tmp/#sql_149e_0.MYI' (Errcode: 28 - No space left on device),语句:SELECT t1.id, t1.title, t1.answer, t1.creat_time, t1.creat_user , t3.content, t2.NAME AS tags, t2.pinyin AS tags_py,t1.update_date FROM ay_question t1 left JOIN ay_question_fault t2 ON t2.q_id = t1.id left JOIN ay_question_answer t3 ON t3.q_id = t1.id WHERE(t1.status=1 and t1.brand_py='panerai' and t2.pinyin = 'jinshui') GROUP BY t1.id ORDER BY t1.update_date desc LIMIT 0,15