return check_empty_result("SELECT COUNT(*) FROM ".TB_PREF."stock_master
WHERE mb_flag='F'
AND material_cost > 0
AND stock_id IN ( SELECT stock_id FROM ".TB_PREF."stock_moves WHERE type=".ST_SUPPRECEIVE." AND qty!=0 )
AND stock_id NOT IN ( SELECT stock_id FROM ".TB_PREF."stock_moves WHERE (type=".ST_CUSTDELIVERY." OR type=".ST_INVADJUST.") AND qty!=0 )
return check_empty_result("SELECT COUNT(*) FROM ".TB_PREF."stock_master
WHERE mb_flag='F'
AND material_cost > 0
AND stock_id IN ( SELECT stock_id FROM ".TB_PREF."stock_moves WHERE type=".ST_SUPPRECEIVE." AND qty!=0 )
AND stock_id NOT IN ( SELECT stock_id FROM ".TB_PREF."stock_moves WHERE (type=".ST_CUSTDELIVERY." OR type=".ST_INVADJUST.") AND qty!=0 )