执行SQL发生错误！错误：Can't create/write to file '/tmp/#sql_10a1_0.MYI' (Errcode: 28 - No space left on device)，语句：SELECT a.*,b.name as sortname,b.filename as sortfilename,c.name as subsortname,c.filename as subfilename,d.type,d.name as modelname,d.urlname,e.*,f.gcode FROM ay_content a LEFT JOIN ay_content_sort b ON a.scode=b.scode LEFT JOIN ay_content_sort c ON a.subscode=c.scode LEFT JOIN ay_model d ON b.mcode=d.mcode LEFT JOIN ay_member_group f ON a.gid=f.id LEFT JOIN ay_content_ext e ON a.id=e.contentid WHERE(a.scode in ('3','13','12','14','15') OR a.subscode='3') AND(a.status=1 AND d.type=2 AND a.date<'2022-05-28 03:23:41') ORDER BY a.istop DESC,a.isrecommend DESC,a.isheadline DESC,a.sorting ASC,a.date DESC,a.id DESC LIMIT 0,6