select * from pdf where id=202020480 limit 1 [ RunTime:0.001998s ]
select p.id,p.brandid,p.partno,p.brandshort,p.note,p.note_cn,b.brand,b.logo,f.page,f.foldpath,f.foldpath2,f.filename,f.filesize from pdf p
join pdf_brand b on p.brandid=b.id
join pdf_file f on p.pdf_file_id=f.id
where p.partno like'4N9%'
and p.id <> 202020480
order by partno limit 10 [ RunTime:0.002020s ]
