Unknown column 'filesize' in 'where clause'<br>select count(*) as total from ***_ecms_map where classid in (556,557,558,559,560,561,562,570,572,573,574,575,576,577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,596,597,598,599,600,601,602,603,604,605,606,607,608,609,610,611,612,613,614,615,616,617,618,619,620,621,622,623,624,625,627,629,630,631,633,634,635,636,639,1760) and (filesize<='50')