Столы - книжки
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=21018 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=781 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=781 limit 1
