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.creat_time, t1.update_date, t1.answer, t3.content FROM ay_question t1 left JOIN ay_question_fault t2 ON t1.id = t2.q_id LEFT JOIN ay_question_answer t3 ON t3.q_id = t1.id WHERE( t1.status = 1 and t3.status=1 and t1.brand_py = 'vc' and t2.pinyin in ('paoguang') and t1.id not in (17397)) GROUP BY t1.id ORDER BY t1.view desc,update_date desc LIMIT 10