- id => { type => 'integer', not_null => 1, sequence => 'id' },
- delivery_order_item_id => { type => 'integer', not_null => 1 },
- qty => { type => 'numeric', not_null => 1, precision => 5, scale => 15 },
- unit => { type => 'varchar', length => 20, not_null => 1 },
- warehouse_id => { type => 'integer', not_null => 1 },