update inventory_stock set qty_of_po = isnull(qty_of_po,0) + #{qtyOfPo} where id = #{id} update inventory_stock set qty_on_hand = isnull(qty_on_hand,0) + #{qtyOfPo}, qty_of_po = isnull(qty_of_po,0) - #{qtyOfPo} where id = #{id} update inventory_stock set qty_of_po = isnull(qty_of_po,0) - #{qtyOfPo} where id = #{id}